Question

What is the volume and surface area of a cube with an edge length of 4 cm?

Answer 1

The volume of a cube with the edge a = 4 cm is
V = a³ = 4³ = 64 cm³.
The surface area consists of 6 squares with the side of 4 cm, hence
S = 6* a² = 6*4² = 96 cm².