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: 29

Answer

$-24.3$

Work Step by Step

The product of a positive real number and a negative real number is a negative real number. We convert the decimal into a fraction for ease of simplification: $(9)(-2.7)$ =$\frac{9}{1} \times-\frac{27}{10}$ =$\frac{9\times-27}{10}$ =$\frac{-243}{10}$ =$-24.3$
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