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: 8

Answer

$135+253+410=798$

Work Step by Step

First, add the digits in the ones column (each number's ones place) to determine the digit in the ones place of the sum: $5+3+0=8$ Next, add the digits in the tens column (each number's tens place) to determine the digit in the tens place of the sum: $3+5+1=9$ Then add the digits in the hundreds column (each number's hundreds place) to determine the digit in the hundreds place of the sum: $1+2+4=7$ If the sum has $7$ in the hundreds place, $9$ in the tens place and $8$ in the ones place, it must be $798$.
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