Basic College Mathematics (9th Edition)

Published by Pearson
ISBN 10: 0321825535
ISBN 13: 978-0-32182-553-7

Chapter 1 - Whole Numbers - 1.7 Rounding Whole Numbers - 1.7 Exercises: 62

Answer

Ten-thousand: 22,360,000 Hundred-thousand: 22,400,000

Work Step by Step

When rounding to the nearest ten-thousand, the digit to the right of that place is 2 so we round down and keep the ten-thousands place at 6, so we get 22,360,000. When rounding to the nearest hundred-thousand, the digit to the right of that place is 6 so we round up to 22,400,000.
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