OpenStudy (anonymous):

Here is a geometric series in summation notation: 5 E (-2)^i+1 i=1 What is the sum of the series? (The E isn't what the symbol completely looks like but it's close) A: -124 B: 132 C: -84 D: 44 E: -44

OpenStudy (amistre64):

they want you to add together 5 numbers ....

OpenStudy (amistre64):

5 E (-2)^i+1 1 5 E (-2)^i (-2)^1 1 5 -2 E (-2)^i 1 -2( (-2)^1 + (-2)^2 + (-2)^3 +(-2)^4 +(-2)^5)