Basic College Mathematics (10th Edition)

Published by Pearson
ISBN 10:
ISBN 13:

Chapter 1 - Whole Numbers - Summary Exercises - Whole Number Computation - Page 63: 8



Work Step by Step

First, subtract he ones place 2 - 1 = 1 Next, subtract the tens place 8 -6 = 2 With the 2 in the tens place and 1 in the ones place, we get 21.
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