0.19992 because u need to times the digits
The hundreds place is 1
Tens is 2
Ones is 3
Tenths is 4
Hundredths is 5
Thousandths is 6
Complementary is combining in such a way as they emphasize the qualities of each other or another
Supplementary is completing or enhancing something
39.20 or 39.21 if you round
We know that :

Here Adjacent Side is BC, which is Distance between the Sun and Earth
Hypotenuse is CA, which is Distance between the Sun and Shooting star
⇒ 
Given : Distance between Earth and Sun (BC) = y
⇒ 
⇒ 