It could be 507, to the nearest 20.
500
500.0
931 would round to 930.
504.99... (recurring.
451though 450 is in middle,so if rounding up then 450 answer449 rounds down to 400
500
450
500
To the nearest 1000 it is 500.
It is 549 rounded to the nearest 100 is 500
500
749.99... to the nearest 500.
Any number 499 or less rounds to zero. Any number 500 or greater rounds to 1000.
Any from 499.5 to 500.49
450
The smallest number that rounds up to 500 when you're rounding by hundreds would be 450.
498 rounds to 500