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The 4th term of a geometric sequence is 18, and the 10th term is 162.  What is the 7th term?

 Feb 16, 2021
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18 * d^6 = 162

d= 91/6

 

18 * d3 = a7

18 * (91/6)= 18 * 3 = 54

 Feb 16, 2021

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