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If you hear a sound loudness of 82.6 dB, what is the Wattage per square metre being delivered to your ear by the sound waves?

If you hear a sound loudness of 82.6 dB, what is the Wattage per square metre being delivered to your ear by the sound waves? Please express your answer in W/m2 and write it in scientific notation that is correct to exactly 3 significant figures

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