Find a10 from a geometric sequence where the first term is -7 and r is 2

Geometric sequences and series
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1 Answer

The general term of a geometric sequence is 

 an​=a1​r^n−1 where a1​ = First Term,r = common ratio and n = number of Terms

Here a1=-7, r=2, n=10

a10=(-7)(2^9)=(-7)(512)=-3584

by Level 8 User (32.3k points)

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