Which expression can be used to represent the volume of this prism?
Responses
10 × 4 units³
10 × 4 units³
21 × 4 units³
21 × 4 units³
7 × 7 units³
7 × 7 units³
3 × 11 units³
3 × 11 units³
A rectangular prism made up of unit cubes. There are 4 layers, and each layer is 3 units long and 7 units wide.
