niya3664
niya3664
21-09-2016
Mathematics
contestada
Estimate then find the product 5x4257
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MamaAustria
MamaAustria
21-09-2016
Well, to estimate we round to a simple number to work with, so we keep 5 the same. But, 4,257 is less simple, so it becomes 4,000.
5×4,000= 20,000
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