SOLUTION: Fine the tenth term of the sequence 5, -25 , 125, -625........help me please

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Question 93765This question is from textbook
: Fine the tenth term of the sequence 5, -25 , 125, -625........help me please This question is from textbook

Answer by Nate(3500) About Me  (Show Source):
You can put this solution on YOUR website!
5, -25 , 125, -625........
This is a geometric sequence ...
f(n) 10 a*r^(n - 1) where: a is the first term, r is the rate, n is the nth term
f(n) = 5*(-5)^(10 - 1)
f(n) = 5*(-5)^(9) = -9,765,625