8.6 is rounded to nine because the number after the decimal is greater than four, so the number is rounded higher. If the number after the decimal is five or greater, the number rounds up. If the number after the decimal is four or less, then the number rounds down.
It is: 86
86
It is 2 when rounded to the nearest whole number
9.12 rounded to a whole number is 9.
It is then 14 when rounded to the nearest whole number
It is 86.
It is: 86
86
They are -9 and 9.
It is not a whole number. It is 86/100, also written as 0.86.
86.04 is a mixed number in decimal form and there is no sensible way to represent it as a whole number. The whole part of it is 86.
1.471 rounded to a whole number is 1
Rounded to the nearest whole number, it is 10.
It is 2 when rounded to the nearest whole number
9.12 rounded to a whole number is 9.
It is then 14 when rounded to the nearest whole number
It is 310 when rounded to the nearest whole number