The radius of a spherical balloon is measured to be 7 inches, with a possible error of 0.03 inch. Use differentials to approximate the maximum possible error in calculating the surface area of the sphere. Round your answer to two decimal places. Select one: O a. O b. C. +18.47 square inches d. 5.28 square inches +9.24 square inches +27.71 square inches ±6.6 square inches e. Check

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