2810000 is already rounded to the nearest tenth. If you need to show that it is rounded to the nearest tenth you would need to write it as 2810000.0
Round 3.7416573 to the nearest tenth is 3.7
It is 61.9 to the nearest tenth
It is 263.8 to the nearest tenth
It then is 471.4 to the nearest tenth
118.0
4.4, to the nearest tenth.
24.6 Round 24.583 to the nearest tenth? => 24.600
It is already rounded to the nearest tenth.
158.097 to nearest tenth = 158.1
It is already to the nearest tenth as 93.9
To the nearest tenth 6.592 is 6.6
It is 24.7 rounded to the nearest tenth