Answer
$-0.5$
Work Step by Step
The denominator can be expanded to 10...
and the fraction is easily written as a decimal number
$-\displaystyle \frac{1}{2}=-\frac{1\times 5}{2\times 10}=-\frac{5}{10}=-0.5$
Introductory Algebra for College Students (7th Edition)
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0-13417-805-X
ISBN 13:
978-0-13417-805-9
Chapter 1 - Section 1.3 - The Real Numbers - Exercise Set - Page 42: 29
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