Question

Estimate the product of 3.9 and 4.6 using mental math explain the method you used

Answer 1

Explanation:

it rlly simple all u gotta do is round the numbers. So 3.9 is 4 and 4.6 is 5.
Then u would multiply 4x5=20 so ya :) :]

Answer 2

umm, first of all, round of the number to the nearest whole number ie 4 and 5, then multiply the two ie 20

:)