Answer
See below.
Work Step by Step
As we can see, $a_1=8$ and each term is three times the previous one, so $a_n=3a_{n-1}$ is the recursive rule.
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.