100.
100
The nearest hundred above 55 is 100. The nearest hundred below 55 is 0.
60
55 rounded to nearest ten is 60
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.
97 rounded to the nearest hundred is 100. 97 rounded to the nearest ten is 100