Basic College Mathematics (9th Edition)

Published by Pearson
ISBN 10: 0321825535
ISBN 13: 978-0-32182-553-7

Chapter 1 - Whole Numbers - 1.3 Subtracting Whole Numbers - 1.3 Exercises - Page 28: 29

Answer

Incorrect. Correct answer: 7222

Work Step by Step

We use addition to check the answer to a subtraction problem. 1421+7212=8633 (Incorrect) 1421+7222=8643 (Correct) The number needed to complete the check is 7222.
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