If said in word form, 38.29 would be thirty eight point two nine.
0.7 in word form is seven tenths.
Just like this:"this number in word form"
I would write it as: twelve, point, two.
I would write it as: Thirteen point two
The word form of 2.61 would be "two point six one."
8 = eight
One tenth.
One hundredth.
Fifteen millionths
0.531 in word form is: five hundred thirty-one thousandths.
You would write it as two and seven hundred seventy eight thousandths.
"Write" is a verb and therefore is the same applied to singular and plural, for example:"I write the music." and "They write the music."