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Joey works at the airport repairing airplane engines, where the decibel level can reach over 100 db. wearing protective earwear, the decibel level reacing joey's ear only reaches 80 db. how many times less intense is the sound with his ear protection when compared to no protection? a. 1 b. 10 c. 100 d. 1000
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Joey works at the airport repairing airplane engines, where the decibel level can reach over 100 db....
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