Algebra 1: Common Core (15th Edition)

Published by Prentice Hall
ISBN 10: 0133281140
ISBN 13: 978-0-13328-114-9

Chapter 7 - Exponents and Exponential Functions - Chapter Review - Page 477: 61



Work Step by Step

Applying the rules of exponents gives: $\sqrt[4] 81x^2$ $=\sqrt[4] (9x)^2$ $=(9x)^{\frac{1}{2}}$ $=(3^2)^{\frac{1}{2}}x^{\frac{1}{2}}$ $=3x^{\frac{1}{2}}$
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