SOLUTION: a^(1)=18,r=3,n=6

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Question 1159596: a^(1)=18,r=3,n=6
Answer by MathLover1(20850) About Me  (Show Source):
You can put this solution on YOUR website!

given:

a%5B1%5D=18
r=3
n=6
=> it’s geometric sequence
nth term formula is:
a%5Bn%5D=a%5B1%5D%2Ar%5E%28n-1%29.......plug in given data
a%5B6%5D=18%2A3%5E%286-1%29
a%5B6%5D=18%2A3%5E5
a%5B6%5D=18%2A243
a%5B6%5D=4374