Basic College Mathematics (9th Edition)

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: 21

Answer

Correct!

Work Step by Step

First, add the digits in the ones place. Since $7+3=10$, you have to "carry the one" to the tens place, and fill the ones place with a 0. When you add the digits in the tens place, you have to remember to also add the one that was carried over. $8+6+1=15$, so the final answer is 150. This matches the answer that was given in the book.
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