Answer
$\frac{1}{4}$
Work Step by Step
2$^{-1}$+2$^{-2}$=$\frac{1}{2}$+$\frac{1}{4}$=$\frac{3}{4}$
1-$\frac{3}{4}$=$\frac{1}{4}$
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 35: 144
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