SOLUTION: Find the sum of the first 10 terms of the series 6.4, 3.2, 1.6, ...

Algebra ->  Algebra  -> Sequences-and-series -> SOLUTION: Find the sum of the first 10 terms of the series 6.4, 3.2, 1.6, ...      Log On

Ad: Algebrator™ solves your algebra problems and provides step-by-step explanations!
Ad: Algebra Solved!™: algebra software solves algebra homework problems with step-by-step help!

   

Question 87426: Find the sum of the first 10 terms of the series 6.4, 3.2, 1.6, ...
Answer by stanbon(48559) About Me  (Show Source):
You can put this solution on YOUR website!
Find the sum of the first 10 terms of the series 6.4, 3.2, 1.6, ...
------------
r = 3/2/6.4 = 1/2
------
S(10) = 6.4[(1/2)^11 -1)/((1/2)-1)]
S(10) = 6.4[-0.9995117/-0.5] = 12.79375
==============
Cheers,
Stan H.