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: 42

Answer

$14,399

Work Step by Step

$6871$ + $7528$ Start at the right of each number and add the ones digits $1$ + $8$ = $9$ ones Write the 9 one in the ones column. Add the tens digits next. $7 + 2 = 9$ Write the 9 tens in the tens column Add the hundreds digits next. $8 + 5 = 13$ hundreds Regroup $13$ hundreds as 1 thousand and 3 hundreds Write the 3 hundreds in the hundreds column. Write the 1 thousand in the thousands column. Add the thousands digits next including the regrouped 1. $1 + 6 + 7= 14$. Regroup the 14 thousands as 1 ten-thousand and 4 thousands. Write the 4 thousand in the thousands column. Write the 1 in the ten-thousand column. Separate each group of three digits with a comma. The sum of the two numbers is $14,399$
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