SOLUTION: Find the value of the 50th term of the series: 180+162+145.8+131.22+...

Question 142020: Find the value of the 50th term of the series: 180+162+145.8+131.22+...
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
Find the value of the 50th term of the series: 180+162+145.8+131.22+...
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162/180 = 0.9
145.8/162 = 0.9
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So the series is geometric with r = 0.9
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a(50) = a(1)*r^49
a(50) = 180*0.9^49 = 1.030755041....
Cheers,
Stan H.