Answer
$-5$
Work Step by Step
We know that any two opposite operations cancel each other out. Since the 4th power and 4th root are opposites, we know that $\sqrt[4] {(-5)^4}=-5$.
Precalculus (6th Edition) Blitzer
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0-13446-914-3
ISBN 13:
978-0-13446-914-0
Chapter P - Review Exercises - Page 143: 57
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