Answer
$-z^{5/4}$
Work Step by Step
Use the rule $a^{m/n}=\sqrt[n] {a^{m}}$
$-\sqrt[4] {z^5}=-z^{5/4}$
College Algebra (11th Edition)
by Lial, Margaret L.; Hornsby John; Schneider, David I.; Daniels, Callie
Published by
Pearson
ISBN 10:
0321671791
ISBN 13:
978-0-32167-179-0
Chapter R - Section R.7 - Radical Expressions - R.7 Exercises - Page 67: 20
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