MATH D FOR MATH GURU

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In this discussion, you will work in small groups in online discussions to solve three short mathematics problems about the loudness of sound. This group discussion will help prepare you for activity M5A2, in which you will write and submit an individual complete solution to a related problem.

Answer the following questions.

  1. How many times louder is a 60 dB sound than a 10 dB sound?
  2. How many times more energy is released by a magnitude 5 earthquake than by a magnitude 3 earthquake?
  3. When you are 2 meters away from the speakers at a concert, the sound level is 140 db. How far away should you sit to reduce the level to 100 dB?
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