SOLUTION: Given the following sequence in geometric, find the common ratio and find the 10 th term: {{{c[n]=(-3/2)^(n-3)}}} please i need help please urgent!!!!!!!!! i have exam on t

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Question 195833: Given the following sequence in geometric, find the common ratio and find the 10 th term:

please i need help please urgent!!!!!!!!!
i have exam on this question please.....
Found 3 solutions by user_dude2008, RAY100, Edwin McCravy:
Answer by user_dude2008(1862)   (Show Source): You can put this solution on YOUR website!



common ratio:


Tenth term:
Answer by RAY100(1637)   (Show Source): You can put this solution on YOUR website!
C(n) = (-3/2)^n-3
.
std form is ,,,,a(n) = a(1) r^(n-1)
,
common ratio is (-3/2) or -1.5
,
10 th term is , C(10) = (-3/2) ^ (10-3) = (-3/2)^7 = -17.09
Answer by Edwin McCravy(20060)   (Show Source): You can put this solution on YOUR website!


Let's find the first two terms:

Let n=1






The common ratio is found by dividing any term by
the preceding term, so we'll divide 

So the ommon ratio 

The 10th term is



Edwin
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