To find the numbers that round to 500 when rounded to the nearest ten, we look for numbers that are within 5 units of 500. Specifically, numbers from 495 to 504 inclusive will round to 500.
The numbers that fit this criterion from your list are:
- 496
- 497
- 503
So the three numbers that round to 500 when rounded to the nearest ten are 496, 497, and 503.