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

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

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

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

dumbcowBest 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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