Basic College Mathematics (9th Edition)

by Lial, Margaret L.; Salzman, Stanley A.; Hestwood, Diana L.

Published by Pearson

ISBN 10: 0321825535

ISBN 13: 978-0-32182-553-7

Chapter 1 - Whole Numbers - 1.2 Adding Whole Numbers - 1.2 Exercises - Page 18: 15

Answer

78,446.

Work Step by Step

Step 1: Add ones column 12, 1 4 2 + 43, 2 0 1 + 23, 1 0 3 _______ 6 Step 2: Add tens column 12, 1 4 2 + 43, 2 0 1 + 23, 1 0 3 _________ 4 6 Step 3: Add hundreds column 12, 1 4 2 + 43, 2 0 1 + 23, 1 0 3 _________ 4 4 6 Step 4: Add thousands Column 12, 1 4 2 + 43, 2 0 1 + 23, 1 0 3 _________ 8, 4 4 6 Step 5: Add ten thousand column 12, 1 4 2 + 43, 2 0 1 + 23, 1 0 3 _________ 78, 4 4 6 The sum of the three numbers is 78,446.

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