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
949, which rounds down to 900.