How to calculate the solution fo the zero initial condition of a first order differential equation

Do, h = (7, 9) (14, 18) the scale factor is

The volume of the sun is approximately 1 × 10^18 cu km, while the volume of jupiter is approximately 1 × 10^15 cu km. which of the following is true? a. the volume of jupiter is approximately one thousand times the volume of the sun. b. the volume of jupiter is approximately one hundred times the volume of the sun. c. the volume of the sun is approximately one thousand times the volume of jupiter. d. the volume of the sun is approximately one hundred times the volume of jupiter.

I’m really confused and need your assist me with this question i’ve never been taught