What is the explicit formula for this geometric sequence? 64, 16, 4, 1,

asked Jul 7, 2023 200k views

6 votes

What is the explicit formula for this geometric sequence?
64, 16, 4, 1,

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5 votes

Answer:
$a_(n)=64\left((1)/(4) \right)^(n-1)$

Explanation:

The common ratio is 16/64 = 1/4, so substituting into the formula, we get that
$a_(n)=64\left((1)/(4) \right)^(n-1)$

Sarnold answered Jul 10, 2023

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