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 1.5 - Addition of Real Numbers - Exercise Set: 15

Answer

$-18$

Work Step by Step

In adding two numbers with the same sign, perform the following steps: (1) Add their absolute values. $|-8| + |-10| = 8 + 10 = 18$ (2) The sum must have sign common to the addends. $-8+(-10) = -18$
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