600
100
115 already is rounded to the nearest whole number...Rounded to the nearest 10, it is 120.Rounded to the nearest 100, it is 100.
9000
884600
600
630
853 rounded to the nearest 100: 900. 10853 rounded to the nearest 100: 10900.
100
600
100
100
0
555 rounded to the nearest 100 is 600.
100
100
100