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What is the 8th term of the geometric sequence with this explicit formula ?

What is the 8th term of the geometric sequence with this explicit formula ?-example-1
User Dogbert
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1 Answer

3 votes

Answer: C.) - 896

Explanation:

Given the explicit formula :

An = 7 × (-2)^(n-1)

The 8th term of the geometric sequence using the formula will be :

n = 8

A8 = 7 × (-2)^(8-1)

A8 = 7 × (-2)^7

A8 = 7 × (-128)

A8 = - 896

User Joaquin Casco
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