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

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): $4$.

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