Answer
$\frac{1}{64}$
Work Step by Step
When a base has a negative exponent, switch the position of the base (from numerator to denominator, or vise-versa) and make the exponent positive.
$$4^{-3}=\frac{1}{4^{3}}=\frac{1}{64}$$
College Algebra (6th Edition)
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0-32178-228-3
ISBN 13:
978-0-32178-228-1
Chapter P - Prerequisites: Fundamental Concepts of Algebra - Exercise Set P.2 - Page 33: 11
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