Elementary Algebra

Published by Cengage Learning
ISBN 10: 1285194055
ISBN 13: 978-1-28519-405-9

Chapter 2 - Real Numbers - 2.3 - Real Numbers and Algebraic Expressions - Problem Set 2.3 - Page 68: 28



Work Step by Step

The product of a positive real number and a negative real number is a negative real number. We convert the decimals to fractions for ease of simplification: $(-0.7)(0.67)$ =$\frac{-7}{10}\times\frac{67}{100}$ =$\frac{-7\times67}{10\times100}$ =$\frac{-469}{1000}$ =$-0.469$
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