Seudónimo Seudónimo

02-02-2016
Mathematics

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what expression can be used for estimating 868 divided by 28

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iluvdogs iluvdogs

02-02-2016

868 is about 870, and 28 is about 30, so your expression would be 870 divided by 30 which would be 29 and the actual answer is 31, so your estimate would be close to your actual answer.

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08-02-2016

You could do 870/30=29.
Or you could do 868/28=31 and then round it but it looks like it doesn't need rounding.

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