2400
2360
2360 to the nearest 100 is 2400. When rounding to the nearest 100, you look at the digit in the hundreds place, which is 3 in this case. Since 3 is less than 5, you round down to the nearest hundred, which is 2400.
853 rounded to the nearest 100: 900. 10853 rounded to the nearest 100: 10900.
2360
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
100