4, because 1 is less than 5, which is the breaking point for rounding up, so one must round down.
It is 12.4 rounded to the nearest tenth
It is then 20.2 when rounded to the nearest tenth
It is 232.4 when rounded to the nearest tenth
10.5
79.4
400
It is 5.2 when rounded to the nearest tenths.
65.6
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 12.4 rounded to the nearest tenth
It is 0.8 when rounded to the nearest tenth
It is then 20.2 when rounded to the nearest tenth
4.4
346.21 rounded to the nearest tenth is 346.2.
113.04 rounded to the nearest tenth is 113.0.