Question 62

If $$K$$ follows the pattern 3, 9, 27, $$K$$, 243, ..., then the value of $$K$$ is

Solution

Each term is 3 times the previous term, since the terms are $$3^1, 3^2, 3^3, \ldots$$. So $$K = 27 \times 3 = 81 = 3^4$$, and indeed $$81 \times 3 = 243$$.

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