$\"\"$

The volume of the prism is $\"\"$

From the diagram bases of the prism are rectangles. so, use the area of the rectangle to find B.

Area of a rectangle is $\"\"$ . So, $\"\"$ .

$\"\"$ (Substitute 4 for l 16 for w)

$\"\"$ (Multiply: $\"\"$ ) $\"\"$

$\"\"$ (Apply Formula for volume of a prism)

$\"\"$ (Substitute 64 for B 8 for h)

$\"\"$ (Multiply: $\"\"$ ) $\"\"$

The volume of the prism is $\"\"$ .