Intermediate Algebra (6th Edition)

Published by Pearson
ISBN 10: 0321785045
ISBN 13: 978-0-32178-504-6

Chapter 1 - Section 1.2 - Algebraic Expressions and Sets of Numbers - Exercise Set - Page 16: 66



Work Step by Step

The opposite of -7.8 is 7.8 because in order to make the number an opposite, you have to switch the negative sign of -7.8 to a positive sign which is +7.8 or just 7.8
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