403 rounded to the nearest hundredth is 400. When rounding to the nearest hundredth, you look at the digit in the hundredth place (0 in this case) and the digit immediately to its right (3 in this case). Since 3 is less than 5, you keep the digit in the hundredth place the same and drop all digits to the right of it.
It is already to the nearest hundredth as 9.69
28.26
30.45
18.84
4.35 is the answer rounded to the nearest hundredth
It is 1.54 rounded to the nearest hundredth
It then is 16.11 rounded to the nearest hundredth
It is already to the nearest hundredth as 9.69
16.64
0.09
1.54
12.04
0.61
2.81
66.33
1.24
74.01