what is the maths answer volume of a cube is: 4.5m x 3.5m x 300mm = 4725m If i need to buy sand bags to cover the cube at 5m2 to a depth of 100mm. What is the answer please. susie published on February 14, 2012 1 question Follow Ask Question on Qfeast. It's just too easy! Star Question Answers (1) Votes Oldest vote up or down the answers Answer Link 0 Eldorsincatlover I'm not doing your math homework missie! Lol reply on July 22, 2014 About Author Report Subscribe