The greatest whole number would be 499.
The answer is 99. When 99 is the greatest two-digit number that rounds to 100 when rounded to the nearest Ten.
50
3,500,000 rounds up. 3,499,999 rounds down.
8600
54
34,499,999
364
530
500
94 is the greatest two-digit whole number that when rounded to the nearest ten rounds to a two-digit number.
350
That number is 33,999,999.
500.0
It is 549 rounded to the nearest 100 is 500
500
80