If you're talking about whole numbers, then it's 6,049 .
If you're talking about any number, including decimals and fractions, then there's no "greatest possible" one.
15,549 to the nearest hundred
The greatest whole number would be 499.
0
657 rounded to the nearest ten is 660. 657 rounded to the nearest hundred is 700.
300
500
15,549 to the nearest hundred
849 is the greatest integer that can be rounded off to 800 to the nearest hundred.
To the nearest hundred, 100.
23,000 is already rounded to the nearest thousand, and is therefore the greatest possible value under the circumstances.
949.9999...
4500 can be rounded only to 4500 to the nearest 100.
749 rounded to the nearest hundred is 700
Any from 450 to 549
6450 to 6549 to the nearest hundred
The greatest whole number would be 499.
Rounded to the nearest hundred it is: 32,800