First I list what I am given:
Diameter: 46m
DR: 0.0003m (converted from the 0.03cm that was given)
DV: ?
Volume of a Sphere = 4/3 pi r^3
But volume of a half a Sphere = 2/3 pi r^3
And Radius = Diameter/2
So...dv = 2 pi (23m)^2 (0.0003m)
Using a Calculator I am given 0.3174. The question asks...