That would just be 9.0!
900
1.50 rounded to nearest 10th is 1.5.
34.35 rounded to the nearest 10th is 34.4
900
It is 898.
37.5552 rounded to the nearest 10th = 37.6
It is 20.0 and not 19.9
900
890
8 is already rounded to the nearest 10th. Rounded to the nearest 10 is 10.
It is already rounded to the nearest tenth as 12.7
It is 3.6 when rounded to the nearest tenth place