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 - Page 79: 57



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: $\left(7^{-4}\right)^{-5}=7^{-4(-5)}=7^{20}$
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