Answer
$4$
Work Step by Step
Recall that $a^{x/y}=\sqrt[y] {a^x}$.
Thus, $16^{1/2}=\sqrt {16}=4$.
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: 63
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