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
890
900
8 is already rounded to the nearest 10th. Rounded to the nearest 10 is 10.
7.619 rounded to the nearest tenths is 7.6
5.83 rounded to the nearest tenths is 5.8