Elementary Algebra

Published by Cengage Learning
ISBN 10: 1285194055
ISBN 13: 978-1-28519-405-9

Chapter 9 - Roots and Radicals - Chapters 1-9 Cumulative Review Problem Set - Page 432: 2



Work Step by Step

Recall the following rule: $x^{-n}=\frac{1}{x^{n}}$. Thus, we obtain: $(\frac{1}{4})^{-3}=(\frac{1^{-3}}{4^{-3}})=(\frac{4^{3}}{1^{3}})=\frac{64}{1}=64$
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