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OpenStudy (anonymous):
What are the next three terms of the sequence 1, -3, 9, -27,…?
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OpenStudy (nincompoop):
they are a factors of -3 but there's a formula for identifying sequences.
OpenStudy (anonymous):
57, -162, 486 -54, 162, -486 -81, 243, -729 81, -243, 729
OpenStudy (anonymous):
ok the answer i got was b
OpenStudy (nincompoop):
NO…. if (-27) × (-3) = ?
OpenStudy (anonymous):
this sequence can be described as: \[(-3)^n\] starting at n = 0.
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OpenStudy (anonymous):
81 my bad its D
OpenStudy (anonymous):
plug in n = 4, 5 and 6 on your calculator ^_^
OpenStudy (anonymous):
D is right
OpenStudy (anonymous):
Thank You guys
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