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: 35



Work Step by Step

4 is less than 9, so in order to subtract we first have to regroup from the tens digit to turn 4 to 14. Then we subtract 14-9 = 5 for the ones column, and we subtract 8-4 = 4 for the tens column. From the 4 in the tens place and 5 in the ones place, we get 45.
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