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ridgeboy36
Group Title
what is the 7th term of the geometric sequence 1,4,16,...? Answers to choose from.
a)16,384
b)4,096
c)4,096
d)16,384
 one year ago
 one year ago
ridgeboy36 Group Title
what is the 7th term of the geometric sequence 1,4,16,...? Answers to choose from. a)16,384 b)4,096 c)4,096 d)16,384
 one year ago
 one year ago

This Question is Closed

Skaematik Group TitleBest ResponseYou've already chosen the best response.1
\[T _{n}=ar ^{n1}\]
 one year ago

Skaematik Group TitleBest ResponseYou've already chosen the best response.1
a= first term r = ratio between consecutive terms n = number of terms
 one year ago

ridgeboy36 Group TitleBest ResponseYou've already chosen the best response.0
@yummydum
 one year ago

ridgeboy36 Group TitleBest ResponseYou've already chosen the best response.0
@geoffb
 one year ago

ridgeboy36 Group TitleBest ResponseYou've already chosen the best response.0
Can anybody solve this??
 one year ago

geoffb Group TitleBest ResponseYou've already chosen the best response.1
Yeah, use @Skaematik's formula. Just plug in what you know.
 one year ago

geoffb Group TitleBest ResponseYou've already chosen the best response.1
To get \(r\), what are you multiplying between each term?
 one year ago

ridgeboy36 Group TitleBest ResponseYou've already chosen the best response.0
@Skaematik are you sure the formula is right i got 4,096 and i dont believe that to be correct
 one year ago

geoffb Group TitleBest ResponseYou've already chosen the best response.1
1 times what gives you 4? 4 times what gives you 16?
 one year ago

geoffb Group TitleBest ResponseYou've already chosen the best response.1
Well, the first thing to check is that it's negative. Since it's odd, and your odd terms are negative, it makes sense that it, too, is negative.
 one year ago

geoffb Group TitleBest ResponseYou've already chosen the best response.1
Why don't you think 4096 is correct?
 one year ago

ridgeboy36 Group TitleBest ResponseYou've already chosen the best response.0
because i thought it would have came out positive to 4,096 but i got 4,096
 one year ago

geoffb Group TitleBest ResponseYou've already chosen the best response.1
4096 is correct.
 one year ago

ridgeboy36 Group TitleBest ResponseYou've already chosen the best response.0
ohh thank you both of you @geoffb @Skaematik
 one year ago
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