Answer
$1024$
Work Step by Step
$x^{2/5}=16\Rightarrow \left( \sqrt [5] {x}\right) ^{2}=4^{2}\Rightarrow \sqrt [5] {x}=4\Rightarrow x=4^{5}=1024$
Precalculus (6th Edition)
by Lial, Margaret L.; Hornsby, John; Schneider, David I.; Daniels, Callie
Published by
Pearson
ISBN 10:
013421742X
ISBN 13:
978-0-13421-742-0
Chapter 4 - Inverse, Exponential, and Logarithmic Functions - 4.2 Exponential Functions - 4.2 Exercises - Page 432: 84
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