how to find the diameter of a planet in cubic miles from the volume?
Cubic miles = (4/3)pi * radius^3 divide both sides by (4/3)pi
Cubic Miles / [ (4/3)pi ] = radius^3 take the cube root of both sides
( Cubic Miles / [ (4/3)pi) ] ) ^(1/3) = radius
Double the radius and this will be the diameter