Answer
-4
Work Step by Step
We know that the nth root of a number is the same as $\sqrt[n] x$, where x is the number that the nth root is being applied to. Knowing this, we find:
$$=\sqrt[3] {-64} \\ = -4$$
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 - 6.1 Evaluate nth Roots and Use Rational Exponents - Guided Practice for Examples 1, 2, and 3 - Page 415: 3
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