If you are rounding to the hundreds then 150 will be the smallest number that will round to 200.
270
It is: 150
It is 250 rounded to the nearest 100 is 300
199
200
200
The least number that can be rounded to 400 (to the nearest 400) is 200.
200 is a whole number
It is: 150
It is 250 rounded to the nearest 100 is 300
It depends on the degree to which the numbers are being rounded. 300 to the nearest 200, for example.
200
100 (rounded up to the nearest 200).
Any number greater than 300 cannot be rounded to 200.
199
200
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.