Use rounding to estamate the sum . 223+357

2 answers:

NikAS [45]4 years ago

6 0

223= 220
557= 560

The sum will be 580

I rounded to the nearest tenths. :)

mart [117]4 years ago

4 0

Rounding
hmm
223 is close to 220
357 is close to 360
220+360=580

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