Answer
3
Work Step by Step
We know the following rule: $$(\sqrt[n] x)=x^{\frac{1}{n}}$$
Using this as well as the rules of exponents learned in a past chapter (and listed on page 330, if review is necessary), we find:
$$(\sqrt[4] {81}) \\ 3$$
Algebra 2 (1st Edition)
by Larson, Ron; Boswell, Laurie; Kanold, Timothy D.; Stiff, Lee
Published by
McDougal Littell
ISBN 10:
0618595414
ISBN 13:
978-0-61859-541-9
Chapter 6 Rational Exponents and Radical Functions - Chapter Test - Page 469: 3
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