200
It is 4.9
It is 14
18.64 rounded to the nearest tenth is 18.6
It's already there.
140
459 rounded to the nearest 10 is 460
Assuming you mean nearest, not neatest, the answer is 67.1
3.3
200
300
It is: 0.5
It is 4.9
900
It is 1.
400
It then is 58.14