It is 0.1
1 and 8 tenths as a decimal is 1.8
1
The answer depends on what is wrong.
It is: 237.1
1.5
1.3
72 and 1/10 as a decimal is 72.1
9.4 is how you write nine and four tenths as a decimal
12 tenths as a decimal is 1.2
7 tenths as a decimal is 0.7
To write nine tenths as a decimal, it looks like this: .9
1 and 8/10 = 1.8