3 years ago

Explain how estimation helps you place the decimal point when multiplying 3.9 &5.3

1 answer:

6 0

3.9 and 5.3, when rounded off and mult. together, produce the product 20.
Thus, the decimal point must follow the first two digits of your answer, whether estimate or "exact."

3.9*5.3 = 20.67 by calculator.

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