chelsea has a cube with a side length of 4 cm. what is the surface area of chelsea's cube?

The surface area of Chelsea’s cube is 96 cm296\text{ cm}^296 cm2.

For a cube, the surface area formula is 6a26a^26a2, where aaa is the side length.

Here, a=4 cma=4\text{ cm}a=4 cm, so:

6×42=6×16=96 cm2.6\times 4^2=6\times 16=96\text{ cm}^2.6×42=6×16=96 cm2.