1. The problem statement, all variables and given/known data Suppose there are 1000 marbles/meter^3 And I have a cylinder of [itex]\pi[/itex]r^2(h), where radius is 2 meters and height is 5 meters. How many marbles can the cylinder hold? 2. Relevant equations Do I have to somehow convert volume of the form [itex]\pi[/itex]r^2(h) to volume of the form meters^3? If so, how can this be done? For example, if I have a cylinder of dimensions [itex]\pi[/itex]3^2(10), how can I describe this volume in terms of meters^3? 3. The attempt at a solution This is not an assigned hw question, just self study.