600
It is 600.
570
572.0
It is: 600
It can't be rounded any further, so it is 570.
572 to the nearest ten is 570. 572 to the nearest hundred is 600.
853 rounded to the nearest 100: 900. 10853 rounded to the nearest 100: 10900.
570 is the nearest ten. 600 is the nearest hundred.
600
100
600
100
100