Introductory Algebra for College Students (7th Edition)

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



Work Step by Step

The denominator can be expanded to 10... and the fraction is easily written as a decimal number $-\displaystyle \frac{1}{2}=-\frac{1\times 5}{2\times 10}=-\frac{5}{10}=-0.5$
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