$\"\"$

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The equation is $\"\"$ .

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Solve the equation.

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$\"\"$ (Original equation)

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$\"\"$ (Take log on each side)

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$\"\"$ (Power property of logarithms: $\"\"$ )

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$\"\"$ (Divide each side by $\"\"$ )

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$\"\"$ (Cancel common terms)

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$\"\"$ (Calculator: $\"\"$ and $\"\"$ )

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$\"\"$ (Simplify)

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Round off to the nearest ten-thousandth.

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$\"\"$ .

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The value of $\"\"$ .

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$\"\"$

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The value of $\"\"$ .