january12015
january12015 january12015
  • 24-08-2016
  • Mathematics
contestada

Use rounding or compatible numbers to estimate the sum of 87+34

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joshua223 joshua223
  • 24-08-2016
121 right because 87+34 is 121 but do i have to round the number
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Аноним Аноним
  • 24-08-2016
If you round you would do 90 plus 30 which equals 120.
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