we know that the rectangular prism has 2x3x3 boxes. Each small box has a dimension of 1/3 in all sides. So [the volume of the prism]= (3/3)* (2/3)* (3/3) [the volume of the prism]= (18/27)--------> 2/3 in³
the answer is the volume of the prism in cubic inches is 2/3 see the attached figure