1000
Yes.
950 to 1049 -- 100 of them.
853 rounded to the nearest 100: 900. 10853 rounded to the nearest 100: 10900.
1000
Any whole number from 950 to 1049
1000
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