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fidelinap fidelinap
  • 07-01-2015
  • Mathematics
Answered

estimate then find the sum or difference 8.5+1.8

Verified Answer :

bookgirl9632
bookgirl9632 bookgirl9632
  • 07-01-2015

Estimating usually means rounding to the nearest whole number to make it so that you can do the math in your head.
So, 8.5 becomes 9, and 1.8 becomes 2.
The sum would then be 11
And the difference is 7

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