Asked by Keonn'a
                the following problem refers to a geometric sequence. If a_1=5 and r=3, find a_n.
a_n=a_1 *r^n-1
            
        a_n=a_1 *r^n-1
Answers
                    Answered by
            Steve
            
    Your answer is correct, if you meant
a_n = a_1 * r^(n-1)
Now just plug in your numbers.
    
a_n = a_1 * r^(n-1)
Now just plug in your numbers.
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