To the nearest whole number, 4
410
It is already rounded to the tenths as 1.5
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
410
It is then 855.8 when rounded to the nearest tenth
410
410
410
20.02 rounded to the nearest tenths is 20.0
14.627 rounded to the tenths place is 14.6