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OpenStudy (anonymous):
What is the eighth term of the geometric sequence 3, 12, 48, 192, ... ?
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OpenStudy (amoodarya):
a1=3 a2=12=a1*q so q=4 then a(n)=a1 q^(n-1) a(8)=a1*q^7=3*(4)^7
OpenStudy (amoodarya):
a7=3*1638=49152
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