0.122 to the nearest tenth is 0.1. When rounding to the nearest tenth, you look at the digit in the hundredths place, which is 2 in this case. Since 2 is less than 5, you keep the digit in the tenths place the same (1) and change all digits to the right to zero.
3.9356 to the nearest tenth is 3.9
A tenth of 0.44 is 0.044. The nearest tenth to it is zero. 0.44 rounded to the nearest tenth is 0.4 .
It is already to the nearest tenth as 3.2
It is 1.0 to the nearest tenth and not 0.9
It is already to the nearest tenth