Multiple choice

The volume of a cube is $64$ cubic inches. What is its surface area?

  1. $84$ square inches
  2. $94$ square inches
  3. $96$ square inches
  4. $98$ square inches
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C Correct answer
Explanation

Volume = s^3 = 64, so side s = 4. Surface area = 6 * s^2 = 6 * 16 = 96 square inches.

AI explanation

First find the edge length of the cube by taking the cube root of its volume, which is the cube root of 64 cubic inches, giving an edge of 4 inches. The surface area formula for a cube is 6 multiplied by the square of its edge. Calculating this gives 6 * 4^2 = 6 * 16 = 96 square inches. The surface area is 96 square inches.

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