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: 39

Answer

281

Work Step by Step

First, we subtract 8-7=1 for the ones place. For the tens place, 2 is less than 4, so in order to subtract we first have to regroup from the hundreds digit to turn 2 to 12. Then we subtract 12-4 = 8 for the tens column. Finally, we subtract 7-5 = 2 for the hundreds column. From the 2 in the hundreds place, 8 in the tens place, and 1 in the ones place, we get 281.
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