Answer :
The 2 on the end is the thousandths place. In order to know whether it should remain a '2' or increase to a '3', we would need to know what comes after it.
-- If there's nothing after it, then it's already written to the nearest thousandth.
-- If there is more after it, we don't know what that is, so we have nothing to base a decision on.
-- If there's nothing after it, then it's already written to the nearest thousandth.
-- If there is more after it, we don't know what that is, so we have nothing to base a decision on.
