Intermediate Algebra for College Students (7th Edition)

Published by Pearson
ISBN 10: 0-13417-894-7
ISBN 13: 978-0-13417-894-3

Chapter 1 - Section 1.6 - Properties of Integral Exponents - Exercise Set: 58

Answer

$\left(9^{-4}\right)^{-5}=9^{20}$

Work Step by Step

RECALL: The power rule of exponents states that: $\left(a^{m}\right)^n=a^{mn}$ Use the power rule to find: $\left(9^{-4}\right)^{-5}=9^{-4(-5)}=9^{20}$
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