gibsonmacy gibsonmacy

19-11-2017
Mathematics

contestada

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

Respuesta :

altavistard altavistard

19-11-2017

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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