2+2+2²+2³ ... +2^10  Pick
A) 2^9
B) 2^10
C) 2^11
D) 2^35
E) 2^37
2+2=2^2   2^2+2^2=(2^2)*(1+1)=2^3   2^3+2^3=(2^3)*(1+1)=2^4   so you can notice the pattern... in the end you will have 2^10+2^10, which will give you 2^11   Answer 2^11
<result>C</result>
2+2+2²+2³ ... +2^10