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wariber [46]
4 years ago
3

Estimate the difference. 38.7 - 21.2

History
2 answers:
nika2105 [10]4 years ago
7 0

Answer:

18

Explanation:

This is the answer because:

1) First, round the numbers you are subtracting to nearest unit digit

38.7 = 39

21.2 = 21

2) Now subtract 39 and 21 which equals 18

39 - 21 = 18

Hope this helps! :D

timofeeve [1]4 years ago
5 0

Answer:

17.5

Explanation:

38.7

21.2

17.5=

subtract 38.7-21.2 which equalals 17.5

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