270.0
270
270
270
It is: 270
270
The answer is 270.
270
To the nearest hundred, 300
260
It's already there.
That depends with what precision you want to round it. When rounded to the nearest whole number, the answer is 267. If rounded to the nearest 10, it is 270. If rounded to the nearest hundred, 300. If rounded to the nearest thousand, the answer is zero.