SOLUTION: Find the fourth term of a geometric sequence whose first term is 2 and whose common ratio is 3. ---The answer I got is 54. Can someone confirm that this is correct? And if it's

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Question 1091282: Find the fourth term of a geometric sequence whose first term is 2 and whose common ratio is 3.
---The answer I got is 54. Can someone confirm that this is correct? And if it's not, show me the steps to solve? Thanks!

Found 2 solutions by ikleyn, Tatiana_Stebko:
Answer by ikleyn(52914)   (Show Source):
You can put this solution on YOUR website!
.

= = = 2*27 = 54. Your answer is correct.

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On geometric progressions, see the lessons in this site
    - Geometric progressions
    - The proofs of the formulas for geometric progressions
    - Problems on geometric progressions
    - Word problems on geometric progressions
    - One characteristic property of geometric progressions
    - Solved problems on geometric progressions
    - Fresh, sweet and crispy problem on arithmetic and geometric progressions
    - Mathematical induction and geometric progressions
    - Mathematical induction for sequences other than arithmetic or geometric

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".

Answer by Tatiana_Stebko(1539)   (Show Source):
You can put this solution on YOUR website!
your answer is correct
.
.
Any term we can find using the Ruler
For the fourth term:
,

Answer: 54