30.5. Hope that helps :)
8.9
The number in the hundredths column in 9, which is more than half of the way to the next tenth, so round up. 70.79 rounded to nearest tenth = 70.8
7.1
0.1
33.5
4.9 Decimal values of 4.850 to 4.899 round up to the next tenth.
10.44 rounded to the tenth = 10.4
74.0
65.6
It is 0.1 when rounded to the nearest tenth because the next digit is less than 5
It is 5.6 rounded to the nearest tenth because the next digit after 6 is less than 5