SOLUTION: a^(1)=3,r=-2,n=5

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Question 1159595: a^(1)=3,r=-2,n=5
Answer by MathLover1(20850) About Me  (Show Source):
You can put this solution on YOUR website!

given:

a%5B1%5D=3
r=-2
n=5
=> it’s geometric sequence
nth term formula is:
a%5Bn%5D=a%5B1%5D%2Ar%5E%28n-1%29.......plug in given data
a%5B5%5D=3%2A%28-2%29%5E%285-1%29
a%5B5%5D=3%2A%28-2%29%5E4
a%5B5%5D=3%2A16
a%5B5%5D=48