30
The number after 9 is 8 which is greater than 5, so 1 is added to 29 which makes it 30.
503.8 rounded to the nearest whole number is 504
1
178
It is 5 rounded to the nearest whole number
96
8
503.8 rounded to the nearest whole number is 504
17
5
33
40
3
76
75
178
1
319