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anonymous
 one year ago
Given the sequence 1, 2, 4, 8, ..., identify the tenth term. Show your work.
anonymous
 one year ago
Given the sequence 1, 2, 4, 8, ..., identify the tenth term. Show your work.

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AlexandervonHumboldt2
 one year ago
Best ResponseYou've already chosen the best response.2look: 2/1=2 4/2=2 8/4=2 any ideas?

AlexandervonHumboldt2
 one year ago
Best ResponseYou've already chosen the best response.2so the common ratio is 2

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0But what formula will help me find the 10th ?

AlexandervonHumboldt2
 one year ago
Best ResponseYou've already chosen the best response.2To find any term of an arithmetic sequence: \[a _{n}=a _{1}+\left( n1 \right)*d\] where \[a _{1}\] is the first term of the sequence, d is the common difference, n is the number of the term to find.

idku
 one year ago
Best ResponseYou've already chosen the best response.1this is a geometric series, alexnader

AlexandervonHumboldt2
 one year ago
Best ResponseYou've already chosen the best response.2woops thx @idku let me give another formula

AlexandervonHumboldt2
 one year ago
Best ResponseYou've already chosen the best response.2To find any term of a geometric sequence: where \[a _{1}\] is the first term of the sequence, r is the common ratio, n is the number of the term to find. \[a _{n}=a _{1}*r^\left( n1 \right)\]

AlexandervonHumboldt2
 one year ago
Best ResponseYou've already chosen the best response.2thx @idku for correcting me.
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