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: 24



Work Step by Step

If we can write a fraction so that its denominator is one of 10,100, 1000,..., we can easily write it as a decimal number Using the fact that $20\cdot 5=100,$ $\displaystyle \frac{3}{20}=\frac{3\cdot 5}{20\cdot 5}=\frac{15}{100 }$ We write this as a decimal number with one digit after the decimal point: $= 0.15$
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