Write a formula for the general term (the nth term) of the geometric sequence.

1/2, -1/10, 1/50, -1/250,....
A. an = ( 1/2) n - 1 3/5

B. an = 1/2- 1/5 (n - 1)
C. an = 1/2 (-1/5) n - 1

D. an =1/5(-1/2) n - 1

Question

Write a formula for the general term (the nth term) of the geometric sequence. 

1/2, -1/10, 1/50, -1/250,....
  A. an = ( 1/2)  n - 1  3/5
 	
  B. an = 1/2- 1/5  (n - 1) 	
  C. an = 1/2  (-1/5) n - 1
 	
  D. an =1/5(-1/2) n - 1

anonymous · Answer

@agent0smith Could  you help me please?

campbell_st · Answer

so what is each term being multiplied by...to get the next term..?

anonymous · Answer

im not sure