Question 204863:  i need help on how to solve geometric series.  I have a problem that i simply cannot figure out and i would appreciate your help.  My problem is: if A to the first= -54, and r= 2/3 then wich answer is correct? 
A. -54, 36, -24, 16 
B. -54, -36, -18, -9 
C. -54, -36, -24, -16 
D. -54, -53 1/3, -52 2/3, -52 
 Please show me how to solve this problem and give me the solution. thank you 
 Answer by Alan3354(69443)      (Show Source): 
You can  put this solution on YOUR website! if A to the first= -54, and r= 2/3 then wich answer is correct? 
A. -54, 36, -24, 16 
B. -54, -36, -18, -9 
C. -54, -36, -24, -16 
D. -54, -53 1/3, -52 2/3, -52 
------------------------------ 
Start with -54 and multiply repeatedly by 2/3. 
-54, -36, -24, -16, -32/3, -64/9 etc. 
-------------------- 
For the 1st 4 terms, 
that's C.
 
 
  | 
 
  
 
 |   
 
 |