Precalculus (6th Edition)

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: 9

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.
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