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Mathematics 20 Online
OpenStudy (anonymous):

Find the 6th term of a geometric sequence with t1=5 and r = -1/2. A.-5/8 B.-5/16 C.-5/32 D.-5/64

rishavraj (rishavraj):

for a geometric sequence \[a_n = a_1\times r^{n - 1}\]

OpenStudy (anonymous):

Okay I got C.

rishavraj (rishavraj):

yup thts correct...

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