590 rounded to the nearest 100 (hundreds place) is 600.
500
600
600
600
9
Wh
600
600
593 rounded to the nearest ten is 590.
580
590
590
590
590
If you rounded it to the nearest 10 it would become 590 because it is only 3 away from 590 buy 7 away from 600. Howver if you rounded it to the nearest 100 it would be 600, as it is only 7 away from it but it is 93 away from 500.
590
590
590
590