+0  
 
+5
146
1
avatar

Find the 13th term of the following geometric sequence. 5, 15, 45, 135 , …

Guest Mar 9, 2017
 #1
avatar+88990 
+5

an + 1  = 3*an    and the nth term is given by:

 

5 * 3 (n - 1)   so the 13th term is    5 * 3 (13 - 1)   = 5 * 3 12  =  2,657,205 

 

 

cool cool cool

CPhill  Mar 9, 2017

36 Online Users

avatar
avatar

New Privacy Policy

We use cookies to personalise content and advertisements and to analyse access to our website. Furthermore, our partners for online advertising receive information about your use of our website.
For more information: our cookie policy and privacy policy.