0.7 x 4 = 0.28
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4 x 75 = 300
To round to estimate the product of 38 x 2, you first round each number to a more manageable value. In this case, you can round 38 to 40 and 2 to 0. Then, multiply the rounded numbers together to get an estimate of the product. In this case, 40 x 0 = 0. So, the estimated product of 38 x 2 is 0.
40 x 30 = 1200
300 x 7 = 2100
9X60