Basic College Mathematics (10th Edition)

Published by Pearson
ISBN 10: 0134467795
ISBN 13: 978-0-13446-779-5

Chapter 9 - Basic Algebra - 9.2 Adding and Subtracting Signed Numbers - 9.2 Exercises - Page 639: 39

Answer

6.2

Work Step by Step

The additive inverse is the opposite of a number. The sum of a number and its additive inverse is 0. Therefore, the additive inverse of -6.2 is $-(-6.2)=6.2$. We can check to make sure the sum of these two numbers is 0. $6.2+(-6.2)=6.2-6.2=0$
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