SOLUTION: Write the explicit formula for the geometric sequence a1 = 1900; r = 0.1.

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Question 1087181: Write the explicit formula for the geometric sequence a1 = 1900; r = 0.1.
Answer by ikleyn(52782) About Me  (Show Source):
You can put this solution on YOUR website!
.
a%5Bn%5D = 1900%2A%280.1%29%5E%28n-1%29,  n = 1, 2, 3, . . .  


or, which is the same,


a%5Bn%5D = 19000%2A%280.1%29%5En,  n = 1, 2, 3, . . .


As an introduction to geometric progressions see the 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".