None. 2.67 would round to the whole number 3.
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.
270
.2673
300
Whole numbers such as 267 cannot normally be converted into a mixed number
There are 1.627 acres in a square measuring 267 by 267 running feet.
It can be rounded to 267 or to 266.9 to 1 decimal place
0
8
It is: 42 rounded to the nearest whole number
300
1.471 rounded to a whole number is 1