Answer:
0.9 is the same as 9 tenths, 0.009 is the same as 9 thousandths
Step-by-step explanation:
If the first one were to be 9 hundredths then you would divide it by 10 to get 0.9 or 9 tenths
And for the second one you would multiply it by 10 to get 0.009 or 9 thousandths