Basic College Mathematics (10th Edition)

Published by Pearson
ISBN 10:
ISBN 13:

Chapter 4 - Decimals - 4.2 Rounding Decimal Numbers - 4.2 Exercises - Page 280: 9



Work Step by Step

We are asked to round 0.799 to the nearest hundredth. Step 1. Draw a cut-off line after the hundredths place. We are cutting off the 9. It will be dropped. Step 2. We look at the first number after the cut-off line, which is 9. Step 3. Since this number is greater than or equal to 5, we round up the digit in the hundredths place by 1 to 10. We write 0 in the hundredths place and regroup 1 to the tenths place. Therefore, 0.799 rounded to the nearest hundredth is 0.80.
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