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: 52

Answer

$13,890$

Work Step by Step

$6505 + 173 + 7044 + 168$ Start at the right of each number and add the ones digits $5 + 3 + 4 + 8 = 20$ ones Regroup the $20$ ones as $2$ tens and $0$ ones Write the $0$ ones in the ones column. Write the $2$ tens in the tens column Add the tens column next including the regrouped $2$ $2 + 0 + 7 +4 + 6 = 19$ tens Regroup the $19$ tens as $1$ hundred and $9$ tens Write the $9$ tens in the tens column. Write the $1$ hundred in the hundreds column Add the hundreds column next including the regrouped $1$ $1 + 5 + 1 + 0 + 1 = 8$ hundreds Write the $8$ hundreds in the hundreds column Add the thousands column next $6 + 7 = 13$ thousands Regroup the $13$ thousands as $1$ ten-thousand and $3$ thousands Write the $3$ in the thousands column. Write the $1$ in the ten-thousands column Add the ten-thousands column next which is the regrouped $1$ Write the $1$ in the ten-thousands column. $13890$ Separate each group of three digits with a comma. $13,890$
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