Answer:
13824 cubic inches
Explanation:
So all we need to do is:
1) Find the volume of 1 cube of the 8
2) Multiply that by 8, because 8 of them make the prism.
SO 1)
the volume of cube = side * side * side = 12*12*12 = 1728
SO 2)
the volume of prism = vol(cube) * 8 = 1728 * 8 = 13824
ANSWER: 13824 cubic inches ;)