Which statements are true about the estimation of decimal products? Check all that apply.

A. Estimation gives an approximate answer.

B. Estimation always results in a product greater than the exact answer.

C. Estimation always results in a product less than the exact answer.

D. Estimation can be done by rounding each decimal to the nearest whole number.

A. Estimation gives an approximate answer.

D. Estimation can be done by rounding each decimal to the nearest whole number.

Step-by-step explanation:

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Estimation gives an approximate answer.

Step-by-step explanation:

Estimation, or approximation, should give you an answer which is broadly correct, say to the nearest 10 or 100, if you are working with bigger numbers.

For example:

You’ve decided to add another room to the carpet buying. The last room is 3.7m by 2.2m. How much carpet do I need for all three rooms?

2 × 4 is 8m2, which gives a total, for all three rooms of 20m2.

Strong positive correlation