B. 384 square inches
The formula for the surface area of a cube is 6a^2, where a is the length of one side. Plugging in 8 for a, we get 6(8^2) = 6(64) = 384 square inches.
What is the surface area of a cube with a side length of 8 inches?
A. 96 square inches
B. 384 square inches
C. 128 square inches
D. 64 square inches
1 answer