Convert $3\frac{4}{5}$345 litres to millilitres.

$3\frac{4}{5}$345 litres = $\editable{}$ millilitres

Convert $3.67$3.67 kL to L.

Convert $84.6$84.6 L to kL.

Convert each of the following volumes to the indicated unit:

Solve problems involving the surface areas and volumes of prisms, pyramids, cylinders, cones, and spheres, including composite figures