Answer
3
Work Step by Step
Because both numbers are positive, add the absolute value of (+2) and (+1) which is 2 + 1 = 3
Elementary Technical Mathematics
by Nelson, Robert; Eren, Dale;
Published by
Brooks Cole
ISBN 10:
1285199197
ISBN 13:
978-1-28519-919-1
Chapter 2 - Section 2.1 - Addition of Signed Numbers - Signed Numbers Drill 1 - Page 109: 9
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