Question

diego uses unit cubes to build the rectangular prism shown below. complete the statement to describe this prism. use the number pad to enter your answers in the boxes. this prism has layers and unit cubes in each layer.

Explanation:

Step1: Count the layers

Count the horizontal rows of unit - cubes. There are 3 layers.

Step2: Count unit - cubes in one layer

Count the number of unit - cubes in one horizontal layer. In each layer, there are 4 rows and 5 columns of unit - cubes. So the number of unit - cubes in each layer is $4\times5 = 20$.

Answer:

3; 20