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fomenos
3 years ago
5

Alba needed to know about how much the sum of 19.6, 23.8, and 38.4 is. She correctly rounded each of these numbers to the neares

t whole number. What three numbers did she use? *
A 19, 23, 23
B 19, 24, 38
C 20, 24, 38
D 20, 24, 39
Mathematics
1 answer:
Goryan [66]3 years ago
6 0
If the number after the decimal is 1-4 you drop it, if it's 5-9 you add one to the whole number. In 19.6, 6 is 5-9 so you add one to 19- 19.6=20. In 23.8, 8 is 5-9 so add one to 23- 23.8=24. In 38.4, 4 is 1-4 so you drop it- 38.4=38. So the answer is C. 20, 24, 38 :) hope this helps
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