Answer:
- 405
Explanation:
the recursive formula given allows us to find the next term in the sequence by multiplying the previous term by - 3
= (- 3) = 15 × - 3 = - 45
= (- 3) = - 45 × - 3 = 135
= (- 3) = 135 × - 3 = - 405
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= 
(- 3) = 15 × - 3 = - 45
= (- 3) = - 45 × - 3 = 135
= (- 3) = 135 × - 3 = - 405