Answer
-1.8
Work Step by Step
Since we are adding numbers with different signs, we subtract their absolute values (6.5 - 4.7 = 1.8) and take the sign of the larger absolute value, which is negative (-1.8).
Elementary and Intermediate Algebra: Concepts & Applications (6th Edition)
by Bittinger, Marvin L.; Ellenbogen, David J.; Johnson, Barbara L.
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 - Page 42: 46
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