Convert milliliters to feet and then multiply 1 1/4 by 3 do the same but convert to the problems it says
I would have to say 85 but thats just a guess.
To get the difference between the two diameters, all you have to do is subtract the smaller diameter (Mercury) from the larger diameter (Saturn) as follows:
Difference between the two diameters =diameter of Saturn-diameter of Mercury
Difference between the two diameters = (1.2*10^5) - (4.9*10^3)
Difference between the two diameters = 115100 km
The answer for your problem is