217.7
a tenth is the first number after the decimal place. If the second number after the decimal place is 5 or more than you round up (i.e. from 7 to), but in this case the second number is less than 5 so you round down to .7
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