999 of them.
96
It is not measured in whole numbers Recordings are usually rounded off
6.00
Ten of them.
It is: 7
Normally, that question would include a number."What is the least possible whole number before rounded off to 100?" Under conventional rounding to the nearest 100 the lowest integer would be 50. Without a number, there is no lowest possible number. Numbers don't stop.
Any temperature can always be rounded to whole numbers.
999 of them.
Rounded to the nearest whole number 0.5 becomes 1
2545 to 2554
Both of those numbers are already rounded to the nearest whole number.
It is already a whole number and no further rounding is possible.