$\"\"$

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The relationship between the number of decibels $\"\"$ and the intensity of a sound $\"\"$ in watts per centimeter square is $\"\"$ .

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Apply logarithm quotient rule: $\"\"$ .

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$\"\"$

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Apply logarithm power rule: $\"\"$ .

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$\"\"$

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Apply formula: $\"\"$ .

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$\"\"$ .

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$\"\"$

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Determine the number of decibels of a sound with an intensity of $\"\"$ watts per square centimeter.

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Substitute $\"\"$ in $\"\"$ .

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$\"\"$

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$\"\"$

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$\"\"$

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$\"\"$

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$\"\"$

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$\"\"$ .

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The number of decibels are $\"\"$ decibels.

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$\"\"$

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$\"\"$ .

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The number of decibels are $\"\"$ decibels.