Oh, what a happy little number we have here! To round 194.124 to the nearest tenth, we look at the digit in the hundredths place, which is 4. Since 4 is less than 5, we keep the digit in the tenths place the same, giving us 194.1. Just like that, we've rounded our number to the nearest tenth!
It is then 52.8 when rounded to the nearest tenth
It is then 56.5 when rounded to the nearest tenth
It is 232.4 when rounded to the nearest tenth
It is then 20.2 when rounded to the nearest tenth
It is 0.8 when rounded to the nearest tenth
4.4
10775.9
2.7
54.4
28.6
965.4
2.1