The answer will depend on the degree to which the number is rounded. Without any indication of that, it is not possible to answer the question sensibly.
50.55 rounded to the tenths is 50.6
12.0905 rounded to the tenths is 12.1
0.05 rounded to the tenths is 0.1
9.999 rounded to the tenths place is 10.0
Rounded to the nearest tenths it is 1.4
440
It is already rounded to the tenths as 1.5
12.0905 rounded to the tenths is 12.1
0.05 rounded to the tenths is 0.1
50.55 rounded to the tenths is 50.6
435
It is then 855.8 when rounded to the nearest tenth
Rounded to the nearest tenths it is 1.4
693.9146 rounded to the tenths place is 693.9
7.892 rounded to the tenths place is 7.9
14.627 rounded to the tenths place is 14.6
2.671 rounded to the tenths place is 2.7