300/4000 or simplified to 3/40
It is 0.00300
Nine thousandths would be 0.009.
You would write it as 3000.059
I would write it as either: eleven point zero zero one or eleven and one thousandth
0.3 is three tenths, or: thirty hundredths, three hundred thousandths (not to be confused with three hundred-thousandths, 0.00003), three thousand ten-thousandths, etc.
You would write forty-three thousandths as: .043.
0.304 (assuming the question is not about 300/4000)
You would write eight thousandths as .008
1 and 324 thousandths
I would write it as twenty-four thousandths.
300/4000 or simplified to 3/40
You would write it as 0.00001
It is 0.00300
I would write it as five and forty-five thousandths.
I would write three and seventy-one thousandths.
Seven thousandths would be written as... 0.007