Answer
$8\sqrt[4] (4b)^3$
Work Step by Step
$(64b)^{\frac{3}{4}}$
$=(16.4b)^{\frac{3}{4}}$
$=(2^4.4b)^{\frac{3}{4}}$
$=2^3.(4b)^{\frac{3}{4}}$
$=8.(4b)^{\frac{3}{4}}$
$=8\sqrt[4] (4b)^3$
Algebra 1: Common Core (15th Edition)
by Charles, Randall I.
Published by
Prentice Hall
ISBN 10:
0133281140
ISBN 13:
978-0-13328-114-9
Chapter 7 - Exponents and Exponential Functions - 7-5 Rational Exponents and Radicals - Practice and Problem-Solving Exercises - Page 450: 18
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