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Question

If log27 x=223, find x.

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Solution

log subscript 27 x equals 2 2 over 3 rightwards double arrow log subscript 27 x equals 8 over 3 rightwards double arrow x equals 27 to the power of 8 over 3 end exponent rightwards double arrow x equals open parentheses 3 cubed close parentheses to the power of 8 over 3 end exponent equals 3 to the power of 8 equals 6561

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