Answer
4
Work Step by Step
The absolute value of a number is the distance of that number to zero. -4 is 4 away from zero, so 4 is our answer. The absolute value of any number will always be positive.
Precalculus (6th Edition)
by Lial, Margaret L.; Hornsby, John; Schneider, David I.; Daniels, Callie
Published by
Pearson
ISBN 10:
013421742X
ISBN 13:
978-0-13421-742-0
Chapter R - Review of Basic Concepts - R.2 Real Numbers and Their Properties - R.2 Exercises - Page 19: 9
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