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What is the tenth term in the geometric sequence $$9,3,1,\frac 13, \ldots$$ ?

Jan 5, 2021

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Each term gets smaller by dividing by 3, so term 1 is, term 2 is $${9}/3^1$$, and so on. Continuing the pattern, number 10 would be $$9/3^9 or 1/3^7 or 1/2187$$

Jan 5, 2021

Each term gets smaller by dividing by 3, so term 1 is, term 2 is $${9}/3^1$$, and so on. Continuing the pattern, number 10 would be $$9/3^9 or 1/3^7 or 1/2187$$