You would round it up... to 900.
It is 900
900
900
8730
900
8730
870
100
100
0
97 rounded to the nearest hundred is 100. 97 rounded to the nearest ten is 100
900.
870
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
100
100