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yasmeenabutineh
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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?
 2 years ago
 2 years ago
yasmeenabutineh Group Title
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?
 2 years ago
 2 years ago

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

dumbcow Group TitleBest ResponseYou've already chosen the best response.0
n =6 a1 = 11 r = 4
 2 years ago

dumbcow Group TitleBest ResponseYou've already chosen the best response.0
does that make sense?
 2 years ago

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

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

yasmeenabutineh Group TitleBest ResponseYou've already chosen the best response.0
okay so 4^61?
 2 years ago

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