Respuesta :

Vr = L * W * h = 8 * 4 * 2.25 = 14.22 in^3 = Volume of rectangle

Vc = L * W * h = 0.25 * 0.25 * 0.25 = (0.25)^3 = 0.0156 in^3 = Volume of cube 

Vr / Vc = 14.22in^3 / 0.0156in^3 = 910 cubes910 cubes are needed to fill the rectangular prism.