Asked by Zaria

Find the 10th term of the geometric sequence 10, -50, 250,
Answered by oobleck
a = 10
r = -5
The nth term is 2*(-5)^(n-1)
so plug in n=10
Answered by oobleck
dang. 10*(-5)^(n-1)
or -2(-5)^n
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