omi3 omi3
  • 19-09-2017
  • Mathematics
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271+425 use rounding or compatible numbers to estimate the sum

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soulfire875
soulfire875 soulfire875
  • 19-09-2017
271 rounded is 300, and 425 rounded is 400, so you could estimate the sum by adding 300 and 400, which equals 700.
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