The greatest whole number to round to 300 would be 449 rounded to the nearest 300
The greatest whole number is 277300.
The answer depends on the extend of rounding. To take an unlikely example, it could be 35549, rounded to the nearest 23700. A more likely answer is 23849 rounded to the nearest 300.
Assuming that you want an integer (a whole number) less than 300, then the number you'll be looking to reach is 299. To get to 299 from 176 you need to add 123.
300
349
The greatest whole number is 277300.
290
The answer depends on the extent of the rounding. As an extreme example, it could be 415949 rounded to the nearest 277300. Or it could be 277302 to the nearest 5.
The answer depends on the extend of rounding. To take an unlikely example, it could be 35549, rounded to the nearest 23700. A more likely answer is 23849 rounded to the nearest 300.
250 to 349
300
315
349 rounds to 300
The number is already rounded to exactly that degree!
256 is the greatest even square number that is less than 300.
The next whole number or integer after 299 will give you 300
300