Prealgebra (7th Edition)

Published by Pearson
ISBN 10: 0321955048
ISBN 13: 978-0-32195-504-3

Chapter 2 - Section 2.1 - Introduction to Integers - Exercise Set: 83

Answer

Absolute value of 31 is 31. Opposite of 31=-31.

Work Step by Step

Since the absolute value of a number $A$ is that number's distance from 0 on the number line, if $A=31$, then $|31|=31$; Since the opposite of a number $A$ is to put a negative sign in front of the number, if $A=31, -A=-31$.
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