Intermediate Algebra for College Students (7th Edition)

Published by Pearson
ISBN 10: 0-13417-894-7
ISBN 13: 978-0-13417-894-3

Chapter 7 - Section 7.2 - Rational Exponents - Exercise Set: 66

Answer

$81$

Work Step by Step

Use the rule $(a^m)^n= a^{mn}$ to obtain: $=3^{(\frac{4}{5} \cdot 5)} \\=3^{\frac{20}{5}} \\=3^4 \\=3(3)(3)(3) \\=81$
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