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Consider the geometric sequence 16/9, 4, 9, ...   What is the eighth term of the sequence? Express your answer as a common fraction.

 Jun 2, 2022
 #1
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Use the formula a_n = a_1 r^n-1

a_n = (16 * 9^n-2)/(4^n-1) (common ratio) 

a_8=(16*9^6)/(4^7)

a_8 = ?

 Jun 3, 2022

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