599999 if rounding to the nearest 300000 with no rounding up to the nearest 300000 multiple. Granted normally you would not define your rounding rule that way, but there is no fixed rounding rule.
4,999 is the greatest whole number.
22999
The greatest whole number would be 499.
50
The answer depends on the extent of rounding: to the nearest 10, 50, 100?
4,999 is the greatest whole number.
22999
277299999
It is 2773049 to the nearest 100.
350
94 is the greatest two-digit whole number that when rounded to the nearest ten rounds to a two-digit number.
850 to 949
The greatest whole number would be 499.
749
14, which rounds down to 10.
50
The greatest whole number that rounds to 67,400 is 67,449. This is because when rounding to the nearest hundred, any number from 67,350 to 67,449 will round to 67,400. Numbers 67,450 and above would round up to 67,500.