To find the value of $\"\"$

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Apply formula : $\"\"$ . \ \

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$\"\"$ \ \

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$\"\"$

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Multiply 1.146 to each side.

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$\"\"$ \ \

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$\"\"$

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Apply logarithm to each side. \ \

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$\"\"$

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Apply formula : $\"\"$

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$\"\"$

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$\"\"$

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Subtract 3 from each side.

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$\"\"$

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$\"\"$ .

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