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OpenStudy (anonymous):
Please help! Find the 15th term of the sequence: -3, 6, -12, 24...
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OpenStudy (anonymous):
the common ration as it is called is -2
OpenStudy (anonymous):
r=-2
OpenStudy (bahrom7893):
-3 -3*(-2) = 6 6*(-2) = -12 -12*(-2) = 24, etc
OpenStudy (bahrom7893):
Now find the 15th term..
OpenStudy (anonymous):
Got it, thanks guys :)
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OpenStudy (anonymous):
-49152
OpenStudy (anonymous):
\[a _{n}=a _{1}(n-1)^{r}\]
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