fidelinap
fidelinap
07-01-2015
Mathematics
Answered
estimate then find the sum or difference 8.5+1.8
Answer :
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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