How many cubes with side lengths of 1/3 cm does it take to fill the prism?

Answer:
number of cubes need : (20/3) / (1/27) = 180 cubes
Step-by-step explanation:
volume of cube = (1/3)^3 = 1/27
volume of prism = 5/3 * 4/3 * 2 = 20/3
number of cubes need : (20/3) / (1/27) = 180 cubes