A hole in the ground in the shape of an inverted cone is 22 meters deep and has radius at the top of 18 meters. This cone is filled to the

top with sawdust. The density, p, of the sawdust in the hole depends upon its depth, x: p(x) = 2.7 - 1.4e-0.32 kg m³ The total mass of sawdust in the conical hole is: kg