SOLUTION: Find the 9th term of the geometric sequence whose first term is 2 and whose common ratio is 3. a9=?

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Question 1115909: Find the 9th term of the geometric sequence whose first term is 2 and whose common ratio is 3.
a9=?

Answer by MathLover1(20850) About Me  (Show Source):
You can put this solution on YOUR website!

an equation that helps us find the nth term is:
a%5Bn%5D+=+a%5B1%5D%2Ar%5E%28n-1%29
given: a%5B1%5D=2,r=3, and n=9
a%5B9%5D+=+2%2A3%5E%289-1%29
a%5B9%5D+=+2%2A3%5E8
a%5B9%5D+=+13122