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.
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86
It is: 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