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What is the sum of the first eight terms of the series?

(−800)+(−200)+(−50)+(−12.5)+...

 

Round the answer to two decimal places.

adore.nuk  Mar 6, 2018

Best Answer 

 #1
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+2

Sum it up as Geometric Series:

First term = -800

Common Ratio = 1/4

Number of terms = 8

You should get S = - 1,066.65

Guest Mar 6, 2018
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1+0 Answers

 #1
avatar
+2
Best Answer

Sum it up as Geometric Series:

First term = -800

Common Ratio = 1/4

Number of terms = 8

You should get S = - 1,066.65

Guest Mar 6, 2018

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