SOLUTION: What is the seventh term of a sequence whose first term is 1 and whose common ratio is 3?
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Question 461105
:
What is the seventh term of a sequence whose first term is 1 and whose common ratio is 3?
Found 2 solutions by
CubeyThePenguin, ikleyn
:
Answer by
CubeyThePenguin(3113)
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You can
put this solution on YOUR website!
geometric series format: a, ar, ar^2, ...
a = first term
r = common ratio
seventh term = ar^6 = (1)(3^6) = 729
Answer by
ikleyn(52790)
(
Show Source
):
You can
put this solution on YOUR website!
.
On geometric progressions, see introductory lessons
-
Geometric progressions
-
The proofs of the formulas for geometric progressions
-
Problems on geometric progressions
-
Word problems on geometric progressions
in this site.
Also, you have this free of charge online textbook in ALGEBRA-II in this site
-
ALGEBRA-II - YOUR ONLINE TEXTBOOK
.
The referred lessons are the part of this online textbook under the topic
"Geometric progressions"
.
Save the link to this textbook together with its description
Free of charge online textbook in ALGEBRA-II
https://www.algebra.com/algebra/homework/complex/ALGEBRA-II-YOUR-ONLINE-TEXTBOOK.lesson
into your archive and use when it is needed.
