Elementary and Intermediate Algebra: Concepts & Applications (6th Edition)

Published by Pearson
ISBN 10: 0-32184-874-8
ISBN 13: 978-0-32184-874-1

Chapter 1 - Introduction to Algebraic Expressions - 1.5 Addition of Real Numbers - 1.5 Exercise Set: 59

Answer

0

Work Step by Step

Given -4.9 + 8.5 + 4.9 + (-8.5), we can use the identity property of 0 to cancel out numbers that add to zero. Reorder: [-4.9 + 4.9] + [8.5 + (-8.5)] = 0 + 0 = 0
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