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: 51

Answer

$15,594$

Work Step by Step

$422 + 6074 + 435 + 8663$ Start at the right of each number and add the ones digits $2 + 4 + 5 + 3 = 14$ ones Regroup the $14$ ones as $1$ ten and $4$ ones Write the $4$ ones in the ones column. Write the $1$ ten in the tens column Add the tens column next including the regrouped $1$ $1 + 2 + 7 +3 + 6 = 19$ 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 $1$ $1 + 4 + 0 + 4 + 6 = 15$ hundreds Regroup the $15$ hundreds as $1$ thousand and $5$ hundreds Write the $5$ hundreds in the hundreds column Write the $1$ thousand in the thousands column Add the thousands column next including the regrouped $1$ $1 + 6 + 8 = 15$ thousands Regroup the $15$ thousands as $1$ ten-thousand and $5$ thousands Write the $5$ 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. $15594$ Separate each group of three digits with a comma. $15,594$
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