Answer
$\frac{1}{4}$
Work Step by Step
Start with given expression: $2^{-3}\times2$
Use product rule to simplify: $2^{-3}\times2^{1}=2^{-2}$
Use negative exponent rule to simplify further: $\frac{1}{2^{2}}=\frac{1}{4}$
Precalculus (6th Edition) Blitzer
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0-13446-914-3
ISBN 13:
978-0-13446-914-0
Chapter P - Section P.2 - Exponents and Scientific Notation - Exercise Set - Page 30: 20
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