X times 1 - Solve your math problems using our free math solver with step-by-step solutions. Our math solver supports basic math, pre-algebra, algebra, trigonometry, calculus and more.

 
By ‘ The law of exponents ‘ , a^n × a^m = a^n+m. Therefore , e^x × e^x = e^x+x = e^2x . Find out how many invertible and diagonal solutions X 2 − 2X = 0 has when X ∈ R3×3. If X is invertible, then multiplying each side of X 2−2X = 0 by the inverse of X gives us that X −2I = 0 and so X = 2I. For the case where X is diagonal, let X .... D and w fine pack

To write 1 y 1 y as a fraction with a common denominator, multiply by x x x x. 1 x ⋅ y y + 1 y ⋅ x x 1 x ⋅ y y + 1 y ⋅ x x. Write each expression with a common denominator of xy x y, by multiplying each by an appropriate factor of 1 1. Tap for more steps... y xy + x xy y x y + x x y. Combine the numerators over the common denominator.For Question 1, observe that Z = (B×X)∩V. (Just notice that x ∈ V b means (b,x)∈ V .) Question 2: consider the map f:(B×C)×Pn → (B ×Pn)×(C ×Pn), (b,c,x) ↦((b,x),(c,x)). ... The problem is that in order to remedy the problems and paradoxes of naive set theory, the mathematicians around the turn of the century realised that you ... Defintion of proper homotopy https://math.stackexchange.com/questions/2532344/defintion-of-proper-homotopy Let X =R. The homotopy will be from the identity map to itself, so H (0,x)= H (1,x)= x for all x. For each integer n ≥ 1, during the time period [1/(n+1),1/n], the point n∈ X is ...To add or subtract expressions, expand them to make their denominators the same. Least common multiple of x-1 and x+1 is \left(x-1\right)\left(x+1\right). Simplify 1/ ( square root of x) 1 √x 1 x. Multiply 1 √x 1 x by √x √x x x. 1 √x ⋅ √x √x 1 x ⋅ x x. Combine and simplify the denominator. x^{5}\times 3x^{3-1}+x^{3}\times 5x^{5-1} The derivative of a polynomial is the sum of the derivatives of its terms. The derivative of a constant term is 0. The ...The background is Munkres's topology says: Every closed interval in $\\mathbb{R}$ is compact. and A subspace A of $\\mathbb{R}^n$ is compact if and only if it is closed and is bounded in the square (orSee the entire simplification process below: Explanation: The rules for order of operation say to execute the multiplication in this problem first: 2x−9×x+8 →2x−9x+8 ... Equivalent metrics gives the same topology, so we can show that the metrics are equivalent, I'll replace d(x1,y1)= x and d(x2,y2) = y and show that they are equivalent. Sounds tough, but once you have mastered the 10× table, it is just a few steps away. Firstly, 11× is mostly easy: from 11×2 to 11×9 you just put the two digits together. 11×2=22, 11×3=33, ..., 11×9=99. And of course 2×, 5× and 10× just follow their simple rules you know already. So it just leaves these to remember: Which expression is equivalent to log subscript 12 baseline startfraction x superscript 4 baseline startroot x cubed minus 2 endroot over (x 1) superscript 5 baseline endfraction? 4 log subscript 12 baseline x one-half log subscript 12 baseline (x cubed minus 2) minus 5 log subscript 12 baseline (x times 1) 4 log subscript 12 baseline x one-half log subscript 12 baseline startfraction x cubed ...The pH scale is logarithmic, meaning that an increase or decrease of an integer value changes the concentration by a tenfold. For example, a pH of 3 is ten times more acidic than a pH of 4. Likewise, a pH of 3 is one hundred times more acidic than a pH of 5. Similarly a pH of 11 is ten times more basic than a pH of 10.For X\times [0,M]: \times is the Cartesian product and [0,M] is the interval \{x:0 \le x \le M\}. So, X \times [0,M] = \{(x,r):x \in X \land 0 \le r \le M\} For Y ...Just like for the matrix-vector product, the product AB A B between matrices A A and B B is defined only if the number of columns in A A equals the number of rows in B B. In math terms, we say we can multiply an m × n m × n matrix A A by an n × p n × p matrix B B. (If p p happened to be 1, then B B would be an n × 1 n × 1 column vector ...1. negative of (4 squared) is -4² = -(4)² = -(4 × 4) = -16. 2. (negative 4) squared is (-4)² = (-4 × -4) = 16. Use parentheses to clearly indicate which calculation you really want to happen. Squared. A number n squared is written as n² and n² = n × n. If n is an integer then n² is a perfect square.Just like for the matrix-vector product, the product AB A B between matrices A A and B B is defined only if the number of columns in A A equals the number of rows in B B. In math terms, we say we can multiply an m × n m × n matrix A A by an n × p n × p matrix B B. (If p p happened to be 1, then B B would be an n × 1 n × 1 column vector ...In order to show that T is a function, you need to prove that for each pair of subsets A and B of X there is one and only one subset U of X\times X such that T(A,B)=U, that is, ((A,B),U) \in T ...Apr 12, 2019 · Long Multiplication Example: Multiply 234 by 56. Long Multiplication Steps: Stack the numbers with the larger number on top. Align the numbers by place value columns. Multiply the ones digit in the bottom number by each digit in the top number. 6 × 4 = 24. Put the 4 in Ones place. Carry the 2 to Tens place. Symbolab is the best step by step calculator for a wide range of math problems, from basic arithmetic to advanced calculus and linear algebra. It shows you the solution, graph, detailed steps and explanations for each problem.Symbolab is the best step by step calculator for a wide range of math problems, from basic arithmetic to advanced calculus and linear algebra. It shows you the solution, graph, detailed steps and explanations for each problem.Simplify 1/ ( square root of x) 1 √x 1 x. Multiply 1 √x 1 x by √x √x x x. 1 √x ⋅ √x √x 1 x ⋅ x x. Combine and simplify the denominator.Algebra. Multiply (x-5) (x-1) (x − 5) (x − 1) ( x - 5) ( x - 1) Expand (x−5)(x− 1) ( x - 5) ( x - 1) using the FOIL Method. Tap for more steps... x⋅x+x⋅ −1−5x−5⋅−1 x ⋅ x + x ⋅ - 1 - 5 x - 5 ⋅ - 1. Simplify and combine like terms. Tap for more steps... x2 − 6x+5 x 2 - 6 x + 5.You want to have your decimal q such that q \times (1.15 \times x ) = 1.15 \times x - x = 0.15 \times x so q \times 1.15 \times x = 0.15 \times x for all x Finally, you have q = \frac{0.15}{1.15} \simeq 0.1304347826 ...Understand Negative numbers, one step at a time. Step by steps for fractions, factoring, and prime factorization. Enter your math expression. x2 − 2x + 1 = 3x − 5. Get Chegg Math Solver. $9.95 per month (cancel anytime). See details.Online math solver with free step by step solutions to algebra, calculus, and other math problems. Get help on the web or with our math app. Compute answers using Wolfram's breakthrough technology & knowledgebase, relied on by millions of students & professionals. For math, science, nutrition, history ...In order to show that T is a function, you need to prove that for each pair of subsets A and B of X there is one and only one subset U of X\times X such that T(A,B)=U, that is, ((A,B),U) \in T ... For X\times [0,M]: \times is the Cartesian product and [0,M] is the interval \{x:0 \le x \le M\}. So, X \times [0,M] = \{(x,r):x \in X \land 0 \le r \le M\} For Y ...See the entire simplification process below: Explanation: The rules for order of operation say to execute the multiplication in this problem first: 2x−9×x+8 →2x−9x+8 ... Equivalent metrics gives the same topology, so we can show that the metrics are equivalent, I'll replace d(x1,y1)= x and d(x2,y2) = y and show that they are equivalent.How to Use the Calculator. Type your algebra problem into the text box. For example, enter 3x+2=14 into the text box to get a step-by-step explanation of how to solve 3x+2=14.You enter the first fraction, you enter the second fraction, click "Calculate" and hey presto, you get the answer. You can also click the little icon after the calculator to find out more information about the process of subtracting one fraction from another. (Note: you need to have performed a calculation first or the link won't work!) Compute answers using Wolfram's breakthrough technology & knowledgebase, relied on by millions of students & professionals. For math, science, nutrition, history ...Multiply the inside terms: 1 ⋅ x = x. Multiply the last term: 1 ⋅ − 1 = − 1. This is equal to. x2 +x −x −1. The middle terms cancel, and we're left with. x2 −1. Remember, FOIL will work every time, but if we see a product of binomials of the form (a + b)(a −b), we can immediately recognize that it fits the difference of squares ...To write 1 y 1 y as a fraction with a common denominator, multiply by x x x x. 1 x ⋅ y y + 1 y ⋅ x x 1 x ⋅ y y + 1 y ⋅ x x. Write each expression with a common denominator of xy x y, by multiplying each by an appropriate factor of 1 1. Tap for more steps... y xy + x xy y x y + x x y. Combine the numerators over the common denominator.Free math lessons and math homework help from basic math to algebra, geometry and beyond. Students, teachers, parents, and everyone can find solutions to their math problems instantly.Compute answers using Wolfram's breakthrough technology & knowledgebase, relied on by millions of students & professionals. For math, science, nutrition, history ... , the numerator is 3, and the denominator is 8. A more illustrative example could involve a pie with 8 slices. 1 of those 8 slices would constitute the numerator of a fraction, while the total of 8 slices that comprises the whole pie would be the denominator. If a person were to eat 3 slices, the remaining fraction of the pie would therefore beYou enter the first fraction, you enter the second fraction, click "Calculate" and hey presto, you get the answer. You can also click the little icon after the calculator to find out more information about the process of subtracting one fraction from another. (Note: you need to have performed a calculation first or the link won't work!) Apr 28, 2022 · What is x times 1? Updated: 4/28/2022 Wiki User ∙ 11y ago Study now See answers (13) Best Answer Copy x times 1 is x. Anything times 1 is still that same anything. Wiki User ∙ 11y ago... Defintion of proper homotopy https://math.stackexchange.com/questions/2532344/defintion-of-proper-homotopy Let X =R. The homotopy will be from the identity map to itself, so H (0,x)= H (1,x)= x for all x. For each integer n ≥ 1, during the time period [1/(n+1),1/n], the point n∈ X is ...Calculus. Solve for x 1/x=0. 1 x = 0 1 x = 0. Set the numerator equal to zero. 1 = 0 1 = 0. Since 1 ≠ 0 1 ≠ 0, there are no solutions. To add or subtract expressions, expand them to make their denominators the same. Least common multiple of x-1 and x+1 is \left(x-1\right)\left(x+1\right). Find the values of a and b that make the second expression equivalent to the first expression. Assume that x > 0 and y ≥ 0. StartRoot StartFraction 126 x y Superscript 5 Baseline Over 32 x cubed EndFraction EndRoot = StartRoot StartFraction 63 y Superscript 5 Baseline Over a x Superscript b Baseline EndFraction EndRoot a = and b =Algebra. Simplify 1/2x^ (-1/2) 1 2 x−1 2 1 2 x - 1 2. Rewrite the expression using the negative exponent rule b−n = 1 bn b - n = 1 b n. 1 2 ⋅ 1 x1 2 1 2 ⋅ 1 x 1 2. Combine. 1⋅1 2x1 2 1 ⋅ 1 2 x 1 2. Multiply 1 1 by 1 1. 1 2x1 2 1 2 x 1 2., the numerator is 3, and the denominator is 8. A more illustrative example could involve a pie with 8 slices. 1 of those 8 slices would constitute the numerator of a fraction, while the total of 8 slices that comprises the whole pie would be the denominator. If a person were to eat 3 slices, the remaining fraction of the pie would therefore beSolve your math problems using our free math solver with step-by-step solutions. Our math solver supports basic math, pre-algebra, algebra, trigonometry, calculus and more. By ‘ The law of exponents ‘ , a^n × a^m = a^n+m. Therefore , e^x × e^x = e^x+x = e^2x . Find out how many invertible and diagonal solutions X 2 − 2X = 0 has when X ∈ R3×3. If X is invertible, then multiplying each side of X 2−2X = 0 by the inverse of X gives us that X −2I = 0 and so X = 2I. For the case where X is diagonal, let X ... Simplify ( square root of x-1)( square root of x+1) Step 1. Expand using the FOIL Method. Tap for more steps... Step 1.1. Apply the distributive property. Step 1.2.Multiply the inside terms: 1 ⋅ x = x. Multiply the last term: 1 ⋅ − 1 = − 1. This is equal to. x2 +x −x −1. The middle terms cancel, and we're left with. x2 −1. Remember, FOIL will work every time, but if we see a product of binomials of the form (a + b)(a −b), we can immediately recognize that it fits the difference of squares ...What is x times 1? Updated: 4/28/2022 Wiki User ∙ 11y ago Study now See answers (13) Best Answer Copy x times 1 is x. Anything times 1 is still that same anything. Wiki User ∙ 11y ago...Associative property of multiplication: Changing the grouping of factors does not change the product. For example, (2 \times 3) \times 4 = 2 \times (3 \times 4) (2×3)×4 = 2×(3×4). Identity property of multiplication: The product of 1 1 and any number is that number. For example, 7 \times 1 = 7 7 ×1 = 7. Get the free "Solve for X Calculator" widget for your website, blog, Wordpress, Blogger, or iGoogle. Find more Mathematics widgets in Wolfram|Alpha.Free math problem solver answers your algebra, geometry, trigonometry, calculus, and statistics homework questions with step-by-step explanations, just like a math tutor.Algebra. Multiply (x-5) (x-1) (x − 5) (x − 1) ( x - 5) ( x - 1) Expand (x−5)(x− 1) ( x - 5) ( x - 1) using the FOIL Method. Tap for more steps... x⋅x+x⋅ −1−5x−5⋅−1 x ⋅ x + x ⋅ - 1 - 5 x - 5 ⋅ - 1. Simplify and combine like terms. Tap for more steps... x2 − 6x+5 x 2 - 6 x + 5.Solve your math problems using our free math solver with step-by-step solutions. Our math solver supports basic math, pre-algebra, algebra, trigonometry, calculus and more.Sep 2, 2012 · The numpy.repeat has been mentioned, and that's clearly the equivalent to what you want. But for completenes' sake, there's also repeat from the itertools standard library. . However, this is intended for iterables in general, so it doesn't allow repetions by index (because iterables in general do not have an index defin Solve your math problems using our free math solver with step-by-step solutions. Our math solver supports basic math, pre-algebra, algebra, trigonometry, calculus and more.Which expression is equivalent to log Subscript 12 Baseline StartFraction x Superscript 4 Baseline StartRoot x cubed minus 2 EndRoot Over (x + 1) Superscript 5 Baseline EndFraction? 4 log Subscript 12 Baseline x + one-half log Subscript 12 Baseline (x cubed minus 2) minus 5 log Subscript 12 Baseline (x times 1)In order to show that T is a function, you need to prove that for each pair of subsets A and B of X there is one and only one subset U of X\times X such that T(A,B)=U, that is, ((A,B),U) \in T ... What is the ''right" norm for the Banach space tensor product in this situation?By definition, (x,x)= {{x},{x,x}}. This last set is equal to {{x},{x}} ... Equivalence Relation, and finding the subset that defines the relation. Mostly right, which means wrong. The Transitive proof is correct. The symmetric proof is correct, but cluttered. You just have to say that: as multiplication of reals is commutative, then xy >0 ...Multiply (x-1) (x-1) (x − 1) (x − 1) ( x - 1) ( x - 1) Expand (x−1)(x− 1) ( x - 1) ( x - 1) using the FOIL Method. Tap for more steps... x⋅x+x⋅ −1−1x−1⋅−1 x ⋅ x + x ⋅ - 1 - 1 x - 1 ⋅ - 1 Simplify and combine like terms. Tap for more steps... x2 − 2x+1 x 2 - 2 x + 11. negative of (4 squared) is -4² = -(4)² = -(4 × 4) = -16. 2. (negative 4) squared is (-4)² = (-4 × -4) = 16. Use parentheses to clearly indicate which calculation you really want to happen. Squared. A number n squared is written as n² and n² = n × n. If n is an integer then n² is a perfect square.In algebra, a quadratic equation is any equation that can be rearranged in standard form as where x represents an unknown value, and a, b, and c represent known numbers, where a ≠ 0.(x) x 1 =x. Why is a number to the first power equal the same number? The following is not a proof or a reason, but it's a demonstrationthat might be intuitively satisfying:'X' mentioned 4 times: X times X times X times X = X to the fourth power'X' mentioned 3 times: X times X times X = X to the third power'X' mentioned 2 times: X times X = X to the second power'X' mentioned 1 time: X = X to ...Remember, 2x times 4x is the same thing as-- you can rearrange the order of multiplication. This is the same thing as 2 times 4, times x times x. Which is the same thing as 8 times x squared. Remember, x to the 1, times x to the 1, add the exponents. I mean, you know x times x is x squared. So this first term is going to be 8x squared.Which expression is equivalent to log Subscript 12 Baseline StartFraction x Superscript 4 Baseline StartRoot x cubed minus 2 EndRoot Over (x + 1) Superscript 5 Baseline EndFraction? 4 log Subscript 12 Baseline x + one-half log Subscript 12 Baseline (x cubed minus 2) minus 5 log Subscript 12 Baseline (x times 1)The three integrals from 1 to 2, from 2 to 4, and from 4 to 8 are all equal. Each region is the previous region halved vertically and doubled horizontally. Extending this, the integral from 1 to 2 k is k times the integral from 1 to 2, just as ln 2 k = k ln 2. Calculus. In real calculus, the derivative of 1/x = x −1 is given by the power rule ... Symbolab is the best step by step calculator for a wide range of math problems, from basic arithmetic to advanced calculus and linear algebra. It shows you the solution, graph, detailed steps and explanations for each problem. In order to show that T is a function, you need to prove that for each pair of subsets A and B of X there is one and only one subset U of X\times X such that T(A,B)=U, that is, ((A,B),U) \in T ... Step 1: Enter the radical expression below for which you want to calculate the square root. The square root calculator finds the square root of the given radical expression. If a given number is a perfect square, you will get a final answer in exact form. If a given number is not a perfect square, you will get a final answer in exact form and ...Step 1: Enter the radical expression below for which you want to calculate the square root. The square root calculator finds the square root of the given radical expression. If a given number is a perfect square, you will get a final answer in exact form. If a given number is not a perfect square, you will get a final answer in exact form and ... , the numerator is 3, and the denominator is 8. A more illustrative example could involve a pie with 8 slices. 1 of those 8 slices would constitute the numerator of a fraction, while the total of 8 slices that comprises the whole pie would be the denominator. If a person were to eat 3 slices, the remaining fraction of the pie would therefore be(x) x 1 =x. Why is a number to the first power equal the same number? The following is not a proof or a reason, but it's a demonstrationthat might be intuitively satisfying:'X' mentioned 4 times: X times X times X times X = X to the fourth power'X' mentioned 3 times: X times X times X = X to the third power'X' mentioned 2 times: X times X = X to the second power'X' mentioned 1 time: X = X to ...Which expression is equivalent to log subscript 12 baseline startfraction x superscript 4 baseline startroot x cubed minus 2 endroot over (x 1) superscript 5 baseline endfraction? 4 log subscript 12 baseline x one-half log subscript 12 baseline (x cubed minus 2) minus 5 log subscript 12 baseline (x times 1) 4 log subscript 12 baseline x one-half log subscript 12 baseline startfraction x cubed ...An exponent is the number of times to multiply a number by itself. Write an exponent as a raised number. In the number 2 4 (2 to the exponent 4, or 2 to the power of 4), the ‘4’ is the exponent. The ‘2’ is the number to multiply by itself 4 times over. In this case 2 x 2 x 2 x 2 = 16.Compute answers using Wolfram's breakthrough technology & knowledgebase, relied on by millions of students & professionals. For math, science, nutrition, history ... , the numerator is 3, and the denominator is 8. A more illustrative example could involve a pie with 8 slices. 1 of those 8 slices would constitute the numerator of a fraction, while the total of 8 slices that comprises the whole pie would be the denominator. If a person were to eat 3 slices, the remaining fraction of the pie would therefore beFree Square Roots calculator - Find square roots of any number step-by-stepX-Times is a technology company that creates high-end digital chip design solutions. The company is focusing on independent research and development of the digital implementation EDA platform in accordance with the 3S concept (Smart, Speedy, Simple), including a new generation of layout and wiring technology while providing high-end digital chipWhile "10% more" means 1.1x the original, making "300% more" logically mean 4x the original, this doesn't happen with "X times more." You would never say "a tenth times more" or "half times more" or even "one time (s) more." And "one and a half times more" should be 1.5x the original. On the other hand, "three times as many more" would indeed ...Like, what does “multiply ‘x’ by itself -1 times” mean? The expression x n only means “multiply x by itself n times” when n is a positive integer. When the exponent is 0, a negative integer, an arbitrary rational number, an arbitrary real number, or an arbitrary complex number you need a different definition for x n to make sense ... (x) x 1 =x. Why is a number to the first power equal the same number? The following is not a proof or a reason, but it's a demonstrationthat might be intuitively satisfying:'X' mentioned 4 times: X times X times X times X = X to the fourth power'X' mentioned 3 times: X times X times X = X to the third power'X' mentioned 2 times: X times X = X to the second power'X' mentioned 1 time: X = X to ...In school you were taught that 1/x+y is not the same as 1/x + 1/y, but for which x and y is it actually true? Watch this video and find out!Subscribe to my c...x^{5}\times 3x^{3-1}+x^{3}\times 5x^{5-1} The derivative of a polynomial is the sum of the derivatives of its terms. The derivative of a constant term is 0. The ...Associative property of multiplication: Changing the grouping of factors does not change the product. For example, (2 \times 3) \times 4 = 2 \times (3 \times 4) (2×3)×4 = 2×(3×4). Identity property of multiplication: The product of 1 1 and any number is that number. For example, 7 \times 1 = 7 7 ×1 = 7. f of x is equal to 7x minus 5. g of x is equal to x to the third power plus 4x. And then they ask us to find f times g of x So the first thing to realize is that this notation f times g of x is just referring to a function that is a product of f of x and g of x.

Apr 12, 2019 · Long Multiplication Example: Multiply 234 by 56. Long Multiplication Steps: Stack the numbers with the larger number on top. Align the numbers by place value columns. Multiply the ones digit in the bottom number by each digit in the top number. 6 × 4 = 24. Put the 4 in Ones place. Carry the 2 to Tens place. . Shadbase pokemon

x times 1

1. negative of (4 squared) is -4² = -(4)² = -(4 × 4) = -16. 2. (negative 4) squared is (-4)² = (-4 × -4) = 16. Use parentheses to clearly indicate which calculation you really want to happen. Squared. A number n squared is written as n² and n² = n × n. If n is an integer then n² is a perfect square.What is x times 1? Updated: 4/28/2022 Wiki User ∙ 11y ago Study now See answers (13) Best Answer Copy x times 1 is x. Anything times 1 is still that same anything. Wiki User ∙ 11y ago...By definition, (x,x)= {{x},{x,x}}. This last set is equal to {{x},{x}} ... Equivalence Relation, and finding the subset that defines the relation. Mostly right, which means wrong. The Transitive proof is correct. The symmetric proof is correct, but cluttered. You just have to say that: as multiplication of reals is commutative, then xy >0 ...In order to show that T is a function, you need to prove that for each pair of subsets A and B of X there is one and only one subset U of X\times X such that T(A,B)=U, that is, ((A,B),U) \in T ... Step-by-Step Examples Algebra Solve for x Calculator Step 1: Enter the Equation you want to solve into the editor. The equation calculator allows you to take a simple or complex equation and solve by best method possible. Step 2: Click the blue arrow to submit and see the result!, the numerator is 3, and the denominator is 8. A more illustrative example could involve a pie with 8 slices. 1 of those 8 slices would constitute the numerator of a fraction, while the total of 8 slices that comprises the whole pie would be the denominator. If a person were to eat 3 slices, the remaining fraction of the pie would therefore beAlgebra. Divide 1/ (1/x) 1 1 x 1 1 x. Multiply the numerator by the reciprocal of the denominator. 1x 1 x. Multiply x x by 1 1.Compute answers using Wolfram's breakthrough technology & knowledgebase, relied on by millions of students & professionals. For math, science, nutrition, history ...Compute answers using Wolfram's breakthrough technology & knowledgebase, relied on by millions of students & professionals. For math, science, nutrition, history ... You want to have your decimal q such that q \times (1.15 \times x ) = 1.15 \times x - x = 0.15 \times x so q \times 1.15 \times x = 0.15 \times x for all x Finally, you have q = \frac{0.15}{1.15} \simeq 0.1304347826 ...You want to have your decimal q such that q \times (1.15 \times x ) = 1.15 \times x - x = 0.15 \times x so q \times 1.15 \times x = 0.15 \times x for all x Finally, you have q = \frac{0.15}{1.15} \simeq 0.1304347826 ...Which says the absolute value of x equals: x when x is greater than zero; 0 when x equals 0; −x when x is less than zero (this "flips" the number back to positive) So when a number is positive or zero we leave it alone, when it is negative we change it to positive using −x.Sounds tough, but once you have mastered the 10× table, it is just a few steps away. Firstly, 11× is mostly easy: from 11×2 to 11×9 you just put the two digits together. 11×2=22, 11×3=33, ..., 11×9=99. And of course 2×, 5× and 10× just follow their simple rules you know already. So it just leaves these to remember: Like, what does “multiply ‘x’ by itself -1 times” mean? The expression x n only means “multiply x by itself n times” when n is a positive integer. When the exponent is 0, a negative integer, an arbitrary rational number, an arbitrary real number, or an arbitrary complex number you need a different definition for x n to make sense ....

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