874 is an integer and so it is already rounded to not just the nearest tenth but also the nearest units.
It is 232.4 when rounded to the nearest tenth
It is then 20.2 when rounded to the nearest tenth
900
874.00
10.5
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
900
4.4
874.00
10775.9
2.7
54.4
28.6