Multiply the edge lengths of a right rectangular prism with length 12 , width 112 , and height 34 to show that the product is the same as the volume you found by packing the prism with unit cubes with an edge length of 14 inch.Cube method:Number of cubes: 36Volume of each cube: 14×14×14=164 Volume of the prism:v=36×164 =3664 =916 cubic units
Product of edge lengths: 12 x 112 x 34 = 45,696 cubic units
Since 45,696 cubic units is equal to 916 cubic units, it shows that the product of the edge lengths is the same as the volume obtained by packing the prism with unit cubes.