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The surface area of a sphere can be calculated using the formula:
Surface Area = 4Ï€r^2
Given that the radius (r) is 3 cm, we can plug this value into the formula:
Surface Area = 4Ï€(3)^2
Surface Area = 4Ï€(9)
Surface Area = 36Ï€
Therefore, the surface area of a sphere with a radius of 3 cm is 36Ï€ square centimeters or approximately 113.1 square centimeters.