The number is already rounded to a greater extent than that!
248.0
It is 5.2 when rounded to the nearest tenths.
It is then 56.5 when rounded to the nearest tenth
It is 0.8 when rounded to the nearest tenth
0.6
2.4
250
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 0.8 when 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
It is 12.4 rounded to the nearest tenth
4.4
"Roused" is not a mathematical term. 248 ROUNDED to the nearest hundred is 200.
113.04 rounded to the nearest tenth is 113.0.