Elementary Algebra

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

Chapter 5 - Exponents and Polynomials - Chapters 1-5 Cumulative Review Problem Set: 8

Answer

16

Work Step by Step

Recall the following rule: $(\frac{1}{a^{-n}})=a^{n}$. Thus, we obtain: $\frac{1}{4^{-2}}=\frac{4^{2}}{1}=16$.
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