Ask your own question, for FREE!
Mathematics 7 Online
OpenStudy (anonymous):

write the formula for the geometric sequence. 7,21,63,189...

OpenStudy (xanthe):

Since they have a common multiple of 3, using Geometric progression formula, |dw:1368270616126:dw| where a- first term and r-common ratio

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!
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!