SOLUTION: which term of the geometric progression -2,8,-32, ....is 2048

First term is -2;  the common ratio is (-4).


The general term   = -.


So you need find "n" from the equation


    - = 2048.


It gives


     =  = -1024 = .


Hence,  n-1 = 5  and  n = 5+1 = 6.    ANSWER