Any number greater than 250 and less than 350 does, including all of the
fractions and decimals that satisfy those conditions. There are an infinite
number of them.
300
822
315
The greatest whole number to round to 300 would be 449 rounded to the nearest 300
349 rounds to 300
The number is already rounded to exactly that degree!
300
250 all the way to 349
It is 250 rounded to the nearest 100 is 300
300
It rounds to 300
3.45 rounds to0 to the nearest ten3 to the nearest whole number/unit3.5 to the nearest tenth