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Mathematics
Jacob Oneill
19 April, 16:25
Use benchmarks to estimate 2.81 + 3.72
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Yandel Mercado
19 April, 18:07
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I am guessing it's seven because 2.81 rounds to 3 and 3.72 rounds to 4. So 3+4=7
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Angela Rasmussen
19 April, 19:28
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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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