Answer
$\frac{b^{7}}{64}$
Work Step by Step
The given expression is
$=\frac{4^{-3}a^0}{b^{-7}}$
Use $a^0=1$.
$=\frac{4^{-3}(1)}{b^{-7}}$
Use $a^{-n}=\frac{1}{a^n}$.
$=\frac{b^{7}}{4^{3}}$
Use $4^3=64$.
$=\frac{b^{7}}{64}$.
Big Ideas Math - Algebra 1, A Common Core Curriculum
by Larson, Ron; Boswell, Laurie
Published by
Big Ideas Learning LLC
ISBN 10:
978-1-60840-838-2
ISBN 13:
978-1-60840-838-2
Chapter 6 - Exponential Functions and Sequences - 6.1 - Properties of Exponents - Exercises - Page 296: 19
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