PLEASE HELP!! THANKS! What is the 4th term in the sequence?

Question

asked Jul 3, 2019 57.3k views

1 Answer

Sshepel · Answer 1 · 2019-07-07T08:14:55+0000

Answer:

- 405

Explanation:

the recursive formula given allows us to find the next term in the sequence by multiplying the previous term by - 3

b_(2) =
b_(1) (- 3) = 15 × - 3 = - 45

b_(3) =
b_(2) (- 3) = - 45 × - 3 = 135

b_(4) =
b_(3) (- 3) = 135 × - 3 = - 405