Basic College Mathematics (9th Edition)

Published by Pearson
ISBN 10: 0321825535
ISBN 13: 978-0-32182-553-7

Chapter 9 - Basic Algebra - 9.3 Multiplying and Dividing Signed Numbers - 9.3 Exercises: 79

Answer

-4.7

Work Step by Step

$\frac{-7.05}{1.5}$ =$\frac{-7.05}{1}\times\frac{1}{1.5}$ Extract Denominator =$\frac{-7.05}{1}\times\frac{1}{\frac{15}{10}}$ Convert decimals into fractions and extract denominator of $\frac{1}{1.5}$ =$\frac{-705}{100}\times\frac{1}{1}\times\frac{10}{15}$ =$\frac{-705}{100}\times\frac{10}{15}$ =$\frac{-3\times5\times47}{10\times10}\times\frac{10}{3\times5}$ Convert numbers into index form =$\frac{-47}{10}$ Cancel Common Multiples =$-4.7$ Convert into decimal
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