Nena $($an $80\text{'}$s pop band from Germany$)$ sang a song about $99$ balloons $($they were "luftballoons" in German, but in English, they were "red balloons"$).$

If the sound level of a single balloon popping is $142$ dB$,$ what is the minimum number of the $99$ balloons that would need to simultaneously pop in order to create a noise with a sound level that is $12$ dB louder? $($Such that the sound level of the balloons popping simultaneously would be $154$ dB$?)$

Balloons

Hint: If your answer was $5\mathrm{.}432,$ can you actually pop $5\mathrm{.}432$ balloons? Remember that you need the sound level to be at least $154$ dB

 

Answer rating: 100% (QA)

The Decibel dB is a logarithmic unit used to measure sound level Its important to understand that an ... View the full answer