e decibel level for the intensity of a sound is a logarithmic scale defined by D = 10 log10 (I) + 120, where I the sound in watts per square meter. press I as a function of D. press numbers in exact form. Use symbolic notation and fractions where needed.) I(D) = en D increases by 21, the intensity increases by what factor? se decimal notation. Give your answer to one decimal place.) intensity increases by:

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