200
100 (rounded up to the nearest 200).
200
199
200
The least number that can be rounded to 400 (to the nearest 400) is 200.
199 If it's 200 rounded to nearest ten, then the number must be between 195 and 205. Only 199 has the correct digit sum.
200
200
First part means that the number is between 150 and 200 Second part that it is between 195 and 200 as 1+9=10 then the number is 199
If you are rounding to the hundreds then 150 will be the smallest number that will round to 200.
To the nearest whole number, 2.