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What is the fifth term of the geometric sequence? 5, 15 , 45, ...
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What is the fifth term of the geometric sequence? 5, 15 , 45, ...

User Ayman Arif
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2 Answers

3 votes

Answer:

It is 405.

It is 405.

User Harry Stevens
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The geometry sequence has the equation
a(n)=5(3^(n-1)).

The 5 represents the first number of the sequence and the 3 represents the common ratio.

a(5) =
5(3^(5-1))=5(3^(4))=5(81)=405

answer: 405

User Pageii Studio
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