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HELP PLZ!!!! will gave 20 points!!

what is the best estimate for the sum of 317.38+82.21?

round each number to the nearest whole number.

A.399

B.400

C.390

D.410

Respuesta :

The answer should be B because it is 399.5 so you would round up.
The answer is B because when you add it normally it is 399.59 and when you round this answer you get 400 as the nearest whole number.

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