Intermediate Algebra for College Students (7th Edition)

Published by Pearson
ISBN 10: 0-13417-894-7
ISBN 13: 978-0-13417-894-3

Chapter 1 - Test: 10

Answer

$- 7.6$

Work Step by Step

The addends have opposite signs so subtract the absolute values. to obtain: $|-10.8| - |3.2| = 10.8 - 3.2 = 7.6$ The sum will have the same sign as the number with the bigger absolute value. The negative number has a bigger absolute value so the sum of the two numbers must be negative. Thus, $-10.8 + 3.2 = - 7.6$
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