Algebra 1: Common Core (15th Edition)

Published by Prentice Hall
ISBN 10: 0133281140
ISBN 13: 978-0-13328-114-9

Chapter 7 - Exponents and Exponential Functions - 7-3 More Multiplication Properties of Exponents - Practice and Problem-Solving Exercises - Page 437: 58

Answer

$\frac{0.16}{x^{4}}$

Work Step by Step

When we raise a power to a power, we multiply the powers together and keep the base. Let's multiply the exponent of each term by the exponent outside of the parentheses: $(2^2x^{(-3)(2)})(0.2^{2}x^{2})$ Multiply the exponents: $(4x^{-6})(0.04x^{2})$ Simplify the expression by multiplication: $(0.16x^{-6})(x^{2})$ When multiplying exponents with the same base, we add the exponents and keep the same base: $0.16x^{-4}$ We cannot leave the answer this way with negative exponents. With negative exponents, we move the bases into the denominator, which will make the exponents positive: $\frac{0.16}{x^{4}}$
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