What is the 15th term in the sequence -9, 27, 81...

asked Jan 15, 2017 in Mathematics by 20esomes
What is the 15th term in the sequence -9, 27, 81?

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1 Answer

answered Jan 15, 2017 by anonymous
You are multiplying each number by three. Right? 
I believe you could use exponents here. (9x3)^15

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