Algebra 2 (1st Edition)

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: 7



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: $$(\sqrt[4] {81})^3 \\ 3^3 \\ 27$$
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