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03-11-2016
Mathematics

contestada

Estimate each product

11.9 x 21 =
$63.44 x 6 =
$17.15 x 9

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Аноним Аноним

03-11-2016

11.9 x 21 can be estimated into 12 x 20 = 240
63.44 x 6 can be estimated into 63 x 10 = 630
17.15 x 9 can be estimated into 17 x 10 = 170

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