I am going to say 15 but I am not sure since there is no pic
2.8M/(365x24x60)=wonder why you need this
The equation for the volume of a cube is V=s^3, where V is volume and s is side length. Plug in and solve:
V=4.5^3
V=4.5*4.5*4.5
V=91.125ft^3
Hope this helps!!
Median= 3
Range= 5
Mode= 3
Mean= 4