notgoodatmath1011 notgoodatmath1011

20-10-2016
Mathematics

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witch is the closetst estimate for the product of 2×19×5

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apologiabiology apologiabiology

20-10-2016

aprox 19=20
so
40 tiesm 5=200
actually
2*5=10 so
10*19=190

the closest estimate is 189.9999999999999

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