11-10-2016
Mathematics

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What is the nth term of the geometric sequence 4, 8, 16, 32, ... ?

NextResetWhat is the nth term of the geometric sequence 4, 8, 16, 32, ... ?

What is the nth term of the geometric sequence 4, 8, 16, 32, ... ?

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Verified Answer :

apologiabiology apologiabiology

11-10-2016

geometric is
\(a_n=a_1r^{n-1}\)
an=nth term
a1=first term
r=common ratio
n=which term

commmon ratio is like
a1 times r=a2
4 to 8
4 times 2=8
r=2
first term is 4
therefor

\(a_n=4(2)^{n-1}\)
the nth term is \(4(2)^{n-1}\)

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