College Math CLEP Prep Practice Exam

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What is the surface area of a cube with side length of 4 units?

32π
64π
32
64

The correct answer is: 64

A cube has six equal sides, each with an area of 4x4 = 16 square units. Therefore, the total surface area is 6x16 = 96 square units. Option A and B include the symbol "π" which is used for circles and not relevant to calculating the surface area of a cube. Option C only includes the area of one face of the cube, not the total surface area.