## Basic College Mathematics (9th Edition)

Published by Pearson

# Chapter 9 - Basic Algebra - Review Exercises: 10

19

#### Work Step by Step

The absolute value of a number represents the distance between that number and 0 on the number line. Therefore, the absolute value of a number $a$ will be: $a$ when $a\geq0$ $-a$ when $a\lt0$ $-19\lt0$ Therefore, $|-19|=19$.

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