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  • 29-10-2018
  • Mathematics
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use rounding or compatible numbers to estimate the sum 271 + 425

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Scripzz
Scripzz Scripzz
  • 29-10-2018
So, to do this we'll be using rounding instead of compatible to estimate.

To begin, do 271 + 425

By rounding a hundred, you would do
300 + 400 = 700 as the estimated sum.

By rounding tens, you would do
270 + 430 = 700 as estimated sum.

In this case, either one can be done which means 700 is the best estimated sum.
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