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 3 years ago
What is the sum of a 6term geometric sequence if the first term is 11, the last term is –11,264 and the common ratio is –4?
 3 years ago
What is the sum of a 6term geometric sequence if the first term is 11, the last term is –11,264 and the common ratio is –4?

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dumbcow
 3 years ago
Best ResponseYou've already chosen the best response.0\[\large s_{n} = \frac{a_{1}(r^{n}1)}{r1}\]

yasmeenabutineh
 3 years ago
Best ResponseYou've already chosen the best response.0sn=11(41)/41?

dumbcow
 3 years ago
Best ResponseYou've already chosen the best response.0yes except the " 4" on top should be raised to the 6th power

yasmeenabutineh
 3 years ago
Best ResponseYou've already chosen the best response.0okay so 4^61?

dumbcow
 3 years ago
Best ResponseYou've already chosen the best response.0make sure you include the negative sign when raising to power.....4^6 is different than (4)^6
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