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sasho [114]
3 years ago
11

The estimation of 53 times 39

Mathematics
2 answers:
PilotLPTM [1.2K]3 years ago
8 0
Round each and multiply.
53 rounds down to 50,
39 rounds up to 40.

50*40=2000.
This is close to the actual answer, which is 2067.
tatiyna3 years ago
6 0
53
X 39
--------
477
159⬇️
---------
2067
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3 years ago
4) 8(-2 + 2n) + 3n = 40 +5n
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Answer:

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-14n= -56

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n= 4

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