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What is ∑5   n=1   [5(−2)n−1]   equal to?

 

The five is on top of the 'sum' (Greek E) sign & the n=1 is on the bottom of the sign. Then its the equation.

 

If you could help me answer this question I appreciate it. Thanks.

 Apr 16, 2018
 #1
avatar+103123 
+1

I assume that this might be :

 

5

Σ  [ 5(-2)n-1   =       55

n = 1

 

 

cool cool cool

 Apr 16, 2018
 #2
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yes, thanks so much

Guest Apr 16, 2018

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