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3 years ago

Use benchmarks to estimate 2.81 + 3.72

Mathematics

2 answers:

Lina20 [59]3 years ago

8 0

I am guessing it's seven because 2.81 rounds to 3 and 3.72 rounds to 4. So 3+4=7

jeyben [28]3 years ago

3 0

Because 2.81 rounded to the nearest benchmark is 3, and 3.72 rounded to the nearest benchmark is 3.5, and 3 plus 3.5 is 6.5

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