Write an explicit rule for each geometric sequence i’m subscript notation. Use a calculator and round your answer to the nearest tenth if necessary.

(Show how you did it please, I don’t understand what I’m supposed to do)

16) The fifth term of the sequence is 5. The sixth term is 22.5.

17) The third term of the sequence 120. The fifth Term is 76.8 .

18) The fourth term of the sequence is 216. The sixith term is 96.