100
29
30
You cannot. It will remain a decimal number even if you round it to the nearest million, when its value is 0. If you mean when it does not have a decimal point, the answer is 29.
1600
29
A rounding frame is just this. Say the number you are supposed to round is 29. 30 29 20 30 is the number you need to round to. The higher number is always on top and the lower number is always on bottom. It is the same with hundreds, thousands, millions, exc.
29
30
29
29
As the digit after the decimal point is 6, we round the number up to 29.
29
0
If you are rounding to the nearest whole number, 29.35 would round down to 29. If you are rounding to the nearest 5 or the nearest 10, it would round up to 30.
29 rounds to 0.
Zero.
30
The answer is zero.