A number cube has edges of 8 centimeters. What is the surface area of the number cube?
A. 64 square centimeters
B. 192 square centimeters
C. 384 square centimeters
D. 512 square centimeters
The surface area of a cube can be found by calculating the area of each face and adding them all together. Each face of this cube is a square with side length 8 cm, so the area of each face is 8 cm x 8 cm = 64 square cm. There are six faces in total, so the surface area of the cube is:
6 x 64 square cm = 384 square cm
Therefore, the answer is C. 384 square centimeters.