Verified Answer :

72 is 50 or above so you round it up.
572 to the nearest hundred is 600

If the number you are rounding is followed by 5, 6, 7, 8, or 9, round the number up (+1).


If the number you are rounding is followed by 0, 1, 2, 3, or 4, round the number down (no change).

572 ≈ 600