Look at the figure in the hundredth position, which is 3. That causes a round down leaving 748.8 as the answer.
It is 310.3 rounded to the nearest tenth
17.954 rounded to the nearest tenth is 18.0.
3.1
42.1
11111
It is 310.3 rounded to the nearest tenth
17.954 rounded to the nearest tenth is 18.0.
75.6368 rounded off to the nearest tenth is 75.6
The number 62.8 is already rounded to the nearest tenth.
3.1
1.40
34.3
42.1
11111
8.9
0.456 rounded off the nearest tenth is 0.5.
It is already to the nearest tenth as 84.5