you should write nine if u want people to think you are a better writer.
To write a horizontal number sentence that has a sum of nine, you can use addition. For example, you could write "4 + 5 = 9" or "3 + 6 = 9." Both of these sentences show two numbers that, when added together, equal nine.
nine percent 9% 9 over 100
Nine.
nine 9
9 million
Nine
.0 9
9/1 nine over one.
9 x 9
"Nine pupils" is correct.
To write nine tenths as a decimal, it looks like this: .9
9/100