No. It’s square root is 18.70
Estimate means round
16.77 rounds to 17
3.81 rounds to 4
17X4 = 68
A trick I use for multiplying by 4 is to double the number twice
Example:
17 -> 34 -> 68
By 30%
original=100%
100%+30%=130%
find 130% of 288846
1.30 times 288846=375499.8
answer is C which is closest
