Respuesta :

Answer:

96a^2.

Step-by-step explanation:

The length of each side of the cube = ∛ (64a^3)

= 4a.

Therefore the area of each face of the cube = (4a)^2 = 16a^2.

As there are 6 faces the total surface area = 6* 16a^2.

= 96a^2.