Someone good at geometry please makes sure the answer is right for this I need some help:(

Which of the following is the missing term, a2, of the geometric sequence in which a1=2 and a3=200

An episode of a television show is 60 minutes long when it originally airs with commercials. on a dvd without commercials, the episode is only 417 minutes long. how many1-minute commercials did the episode include when it originally aired? write and solve an equation to justify your answer.

If a is a nonzero real number then the reciprocal of a is