Answer
$4$
Work Step by Step
Start with expression: $||-3|-|-7||$.
Find inner absolute values: $|3-7|$.
Simplify term inside absolute value: $|-4|$.
Find absolute value (distance from 0): $4$.
Precalculus (6th Edition) Blitzer
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0-13446-914-3
ISBN 13:
978-0-13446-914-0
Chapter P - Section P.1 - Algebraic Expressions, Mathematical Models, and Real Numbers - Exercise Set - Page 17: 59
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