It is 3 when rounded the the nearest whole number.
It is then 3 because .8 rounds up to 1
282.60 rounded to the nearest whole number is 283
283 rounded of to the nearest tens is 280 and when rounded to the nearest hundreds is 300.
300
300
300
300
To the nearest hundred it is 300
280
280
0.0177
0.0777
The answer is 283 feet.