Answer
$5$
Work Step by Step
RECALL:
For non-negative real numbers $a$,
$\sqrt{a^2}=a$.
Write the radicand (expression inside the radical sign) as a square to obtain
$\sqrt{5^2}$.
Use the rule above to obtain
$5$.
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 - Section P.3 - Radicals and Rational Exponents - Exercise Set - Page 45: 2
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