Answer
See below
Work Step by Step
The last work is wrong because $\sqrt[3] 27=\sqrt[3] 3\times3\times3=3$
The correct work should be:
$x^3=27\\x=\sqrt[3] 27\\x=3$
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 - Evaluate nth Roots and Use Rational Exponents - 6.1 Exercises - Skill Practice - Page 417: 47
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