SOLUTION: Use front-end estimation to esitmate the sum. 7.821+9.91

SOLUTION: Use front-end estimation to esitmate the sum. 7.821+9.91

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Question 119803: Use front-end estimation to esitmate the sum.

7.821+9.91
Answer by checkley71(8403) (Show Source): You can put this solution on YOUR website!
8*10=80
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