To write nine tenths as a decimal, it looks like this: .9
Nine and nine tenths in decimal form is 9.9
Nine tenths.
9.4 is how you write nine and four tenths as a decimal
9/10 as a decimal is 0.9
3.9
0.39
40.9
6.9
9.3
5 and 9/10 as a decimal is 5.9
12.9 IS a decimal number. It is twelve and nine tenths.