Answer:
48 cm^3
Explanation:
You can count the cubes in the top layer and make the reasonable assumption that the other two layers have the same number:
(16 cm^3)×3 = 48 cm^3
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Alternate solution
The formula for the volume of a rectangular prism is ...
V = LWH
That is, it is the product of the three dimensions.
V = (4 cm)(4 cm)(3 cm)
V = 48 cm^3