Respuesta :

Answer:

7*6=42 then 42*2=84 hope that helps.

PokeyAnna

Answer:

7^3 + 7^3 units^3

OR

(7^3)2 units^3

Step-by-step explanation:

Volume = length x width x height

In cubes, length = width = height

So, volume = 7 x 7 x 7 = 7^3

2 cubes:

7^3 + 7^3 units^3

OR

(7^3)2 units^3