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  • 22-09-2016
  • Mathematics
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estimate the product of 19×9

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Аноним Аноним
  • 22-09-2016
Because it says to estimate you would have to do 20x10 and that would be 200
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Аноним Аноним
  • 22-09-2016
estamate so 19 goes  to 20 so 20 times 10 because 9 is close to 9  so 20 times 9 =180 maybe i am wrong this sounds wrong
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