2.7 is already rounded to the nearest tenth
3.7
Rounded to the nearest tenth it is 8.6
That's actually pretty simple the answer is 3.7 or 3.70
10 thenths are in a whole
0.4
2.70
Your bed
0.9
27
1 and 3/10 + 3/10 = 1 and 6/10 or 1 and 3/5.
27
0.5 or 1/2