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Find the 7th term of a geometric sequence with t1=5 and r = -2.
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Find the 7th term of a geometric sequence with t1=5 and r = -2.

User Schustischuster
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1 Answer

4 votes
An=Asub1(r)n-¹
=5(-2)7-¹
=5(64)
A7=320
User SitiSchu
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