35
A whole number does not include the fractions or decimal places.34.84 would round up to 35.
The decimals of: 34.5, 34.6, 34.7, 34.8 and 34.9 all round up to 35
40
It is higher, so it would round down.
35
40
35
100
it can be 40 or 30 both
54.2857
It would be rounded to 35 because .45 is less then a half so its 35 not 36.