## Basic College Mathematics (9th Edition)

Published by Pearson

# Chapter 1 - Whole Numbers - 1.2 Adding Whole Numbers - 1.2 Exercises: 32

#### Answer

$980$

#### Work Step by Step

$621 + 359$ Start at the right of each number and add the ones digits $1 + 9 = 10$ ones Regroup the 10 ones as $1$ ten and $0$ ones Write the $0$ one in the ones column. Write the $1$ ten in the tens column. Add the tens digits next including the regrouped $1$. $1 + 2 + 5 = 8$ tens Write the $8$ tens in the tens column. Add the hundreds column next $6 + 3 = 9$ hundreds Write the 9 hundreds in the hundreds column The sum of the two numbers is $980$

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