Answer
$3$
Work Step by Step
RECALL:
(i) $\sqrt[n]{a^n}=a$ when $n$ is odd.
(ii) $\sqrt[n]{a^n}=|a|$ when $n$ is even.
Use the rule above to obtain
$\sqrt[4]{(-3)^4} = |-3| = 3.$
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: 61
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