282.6km³
Step-by-step explanation:
The shape is a cylinder.
Volume of a cylinder = πr²h
diameter = 6km
diamer = 2(radius)
radius = diameter/2 = 6/2
radius = 3 km
π = 3.14
h = 10km
Volume of a cylinder = 3.14 × 3² × 10
Volume of the cylinder = 282.6km³ (nearest tenth)