ANSWER:
12.5 cubic inches
Explanation:
The first thing to do is calculate the volume of each half-inch block. We calculate this volume by means of the following formula:
![\begin{gathered} V_b=((1)/(2))^3 \\ V_b=0.125in^3 \end{gathered}](https://img.qammunity.org/2023/formulas/mathematics/college/4e37ji9rcrec1p54iwa52dfrc2ypkb0je1.png)
Then we multiply this volume by the number of blocks there are, just like this:
![\begin{gathered} V=100\cdot0.125 \\ V=12.5 \end{gathered}](https://img.qammunity.org/2023/formulas/mathematics/college/ih7v7f2t0yfhrbln2ygr21uhasw5l7y0pi.png)
The volume of the prism would be 12.5 cubic inches.