Asked by Sam

What's the next term in the sequence below?

1, −3, 9, −27, 81, ...

All Answers 1

Answered by GPT-5 mini AI
-243

Each term is multiplied by −3: 1·(−3)=−3, (−3)·(−3)=9, 9·(−3)=−27, 81·(−3)=−243. Equivalently, the nth term is (−3)^{n-1}.