320 cubes or 3/4 cubes Step-by-step explanation: 3 1/3 inches = 10/3 inches There are 10 lengths of 1/3 inch in 10/3 inches. 2 2/3 inches = 8/3 inches There are 8 lengths of 1/3 inch in 8/3 inches. 1 1/3 inches = 4/3 inches There are 4 lengths of 1/3 inch in 4/3 inches. In the 3 1/3 inch by 2 2/3 inch by 1 1/3 inch box, you can place 10 by 8 by 4 cubes measuring 1/3 inch on the side. 10 * 8 * 4 = 320 Answer: 320 cubes
