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: 18

Answer

$-6.8$

Work Step by Step

In adding two numbers with the same sign, perform the following steps: (1) Add their absolute values. $|-1.5| + |-5.3| = 1.5 + 5.3 = 6.8$ (2) The sum must have sign common to the addends. $-1.5+(-5.3) = -6.8$ Thus, the sum is $-6.8$.
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