$\"\"$

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(a)

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Equation for loudness is $\"\"$ where R is the relative intensity of the sound.

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Find the relative intensity of a fireworks display.

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Loudness of a fireworks display is $\"\"$ decibels.

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$\"\"$

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Change of base formula is $\"\"$ .

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$\"\"$

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Property of logarithm : $\"\"$ .

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$\"\"$

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Definition of logarithm : $\"\"$ if and only if $\"\"$ .

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Relative intensity of a fireworks display is $\"\"$ .

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$\"\"$

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(b) \ \

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Find the relative intensity of a concert.

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Loudness of a concert is $\"\"$ decibels.

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$\"\"$

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Change of base formula is $\"\"$ .

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$\"\"$

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Property of logarithm : $\"\"$ .

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$\"\"$

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Definition of logarithm : $\"\"$ if and only if $\"\"$ .

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Relative intensity of a concert is $\"\"$ .

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$\"\"$

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How many times as intense is the fireworks display as the concert.

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Find ratio between fireworks display and concert. $\"\"$ .

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Fireworks display is $\"\"$ times intense than concert.

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$\"\"$

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(a) Relative intensity of a fireworks display is $\"\"$ .

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(b) Relative intensity of a concert is $\"\"$ .

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(c) Fireworks display is $\"\"$ times intense than concert.

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