Answer
0.272
Work Step by Step
We are given $2^{-1.88}$. Using a calculator to approximate the exponential expression, we get that $2^{-1.88}\approx0.272$.
This makes sense, given that $2^{-2}=.25$.
Intermediate Algebra (12th Edition)
by Lial, Margaret L.; Hornsby, John; McGinnis, Terry
Published by
Pearson
ISBN 10:
0321969359
ISBN 13:
978-0-32196-935-4
Chapter 9 - Section 9.2 - Exponential Functions - 9.2 Exercises - Page 597: 10
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