Algebra: A Combined Approach (4th Edition)

Published by Pearson
ISBN 10: 0321726391
ISBN 13: 978-0-32172-639-1

Chapter 10 - Section 10.5 - Integrated Review - Radicals and Rational Exponents: 8

Answer

$3b^{3}$

Work Step by Step

$\sqrt[4] {81b^{12}}$ =$\sqrt[4] {81\times b^{12}}$ =$\sqrt[4] {81} \times \sqrt[4] {b^{12}}$ =$\sqrt[4] {(3)^{4}} \times (b^{12})^{\frac{1}{4}}$ =$3\times b^{3}$ =$3b^{3}$
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