Ask
your own question, for FREE!
Mathematics
50 Online
What is the sum of the geometric sequence 4, 12, 36 … if there are 9 terms?
Still Need Help?
Join the QuestionCove community and study together with friends!
ok well first you have S=4(1-3^9) take ans and divide by -2
i got 39364
duz it help? geonetric summation formula is summation=1st term * 1-common ratio to the nth power. take ans and divide by 1-common ratio
yeah thank u!
Can't find your answer?
Make a FREE account and ask your own questions, OR help others and earn volunteer hours!
Join our real-time social learning platform and learn together with your friends!
Join our real-time social learning platform and learn together with your friends!
Latest Questions
ShinePrincess:
Write a function that will create the following transformation. Shift f(x) down 3
forgetmylife:
Only the real understand ud83eudd26ud83cudffdu2642ufe0f I'm tired. Tired of the constancy, the constancy of judgment.
rishavraj:
Just trying to find a friend. We met on openstudy, her nickname on there was something "tarantula".
44 minutes ago
0 Replies
0 Medals
10 hours ago
2 Replies
1 Medal
1 hour ago
4 Replies
0 Medals