How long can strep live outside the human body?

According the inverse square law, doubling the distance from the source of the sound, a speaker, for example, will drop the sound 6 db each time. if you were standing in the back of an auditorium, 32 feet away from a speaker not using any amplification, would you be able to hear a speaker clearly? why or why not?

Use the distance formula to determine weather each pair of segments have the same length

As an asteroid comes close to earth, it's name will change to? apex