Got Homework?
Connect with other students for help. It's a free community.
Here's the question you clicked on:
← 55 members online
 0 viewing
What is the sum of the geometric sequence 1, 3, 9, … if there are 12 terms?
292,524
265,720
139,968
104,976
 one year ago
 one year ago
What is the sum of the geometric sequence 1, 3, 9, … if there are 12 terms? 292,524 265,720 139,968 104,976
 one year ago
 one year ago

This Question is Closed

timo86mBest ResponseYou've already chosen the best response.0
a=1 r*a^0+r*a^1+r*a^2...
 one year ago

timo86mBest ResponseYou've already chosen the best response.0
oh wait switch a and r the r has the ^ not the a
 one year ago

ParthKohliBest ResponseYou've already chosen the best response.0
\[S = {1  r^n \over 1  r} \]
 one year ago

lindseyharrisonBest ResponseYou've already chosen the best response.0
yay!! Thank you :)
 one year ago
See more questions >>>
Your question is ready. Sign up for free to start getting answers.
spraguer
(Moderator)
5
→ View Detailed Profile
is replying to Can someone tell me what button the professor is hitting...
23
 Teamwork 19 Teammate
 Problem Solving 19 Hero
 Engagement 19 Mad Hatter
 You have blocked this person.
 ✔ You're a fan Checking fan status...
Thanks for being so helpful in mathematics. If you are getting quality help, make sure you spread the word about OpenStudy.