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Tinascott
 one year ago
Write the explicit formula for the geometric sequence. 5, 20, 80
Tinascott
 one year ago
Write the explicit formula for the geometric sequence. 5, 20, 80

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BangkokGarrett
 one year ago
Best ResponseYou've already chosen the best response.0Did you mean  80? That's not a geometric sequence unless the 80 is negative.

BangkokGarrett
 one year ago
Best ResponseYou've already chosen the best response.0I have an answer, but I'm \not sure how \to explain how I got it.LOL

BangkokGarrett
 one year ago
Best ResponseYou've already chosen the best response.0\[a _{n}=5\times(4)^{(n1)}\]

BangkokGarrett
 one year ago
Best ResponseYou've already chosen the best response.0Plug in n=1 and you get 5, plug in n=2 and you get 20, plug in ....etc

Tinascott
 one year ago
Best ResponseYou've already chosen the best response.0i understand now how to do it now thanks
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