[tex]\begin{gathered} 1.\text{side of each cube is}\Rightarrow l=\sqrt[3]{\frac{1}{2}}=0.793\text{ in} \\ \text{The height of the cube prism is}\Rightarrow3\times0.7903=2.38\text{ in} \\ The\text{ length of the cube prism is}\Rightarrow5\times0.7903=3.9515\text{ in} \\ \text{The breath of the cube prism is}\Rightarrow4\times0.7903=3.1612\text{ in} \\ 2.\text{ volume of the prism is }\Rightarrow2.38\times3.9515\times3.1612=29.73\text{ in\textasciicircum{}3} \end{gathered}[/tex]