Answer
15
Work Step by Step
By the definition of absolute value, |a| = -a if a $\lt$ 0, then |-15| = -(-15) = 15
College Algebra (11th Edition)
by Lial, Margaret L.; Hornsby John; Schneider, David I.; Daniels, Callie
Published by
Pearson
ISBN 10:
0321671791
ISBN 13:
978-0-32167-179-0
Chapter R - Section R.2 - Real Numbers and Their Properties - R.2 Exercises - Page 18: 84
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