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The first term of a geometric sequence is 15 and the common ratio is 2/3. What is the 9th term of the sequence? Write your answer as a fraction.

Respuesta :

devishri1977

Answer:

Step-by-step explanation:

a= 15

r = 2/3

[tex]a_{n}=ar^{n-1}\\\\a_{9}=15*(\frac{2}{3})^8\\\\=15*\frac{256}{6561}\\\\=5*\frac{256}{2187}\\\\=\frac{1280}{2187}[/tex]

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