How many times louder is a 60 decibal sound than a 20 decibal sound? 2) How many times more energy is released by a magnitude 6 earthquake than by a a magnitude 2 earthquake? 3) When you are 2 meters away from the speakers at a concert, the sound level is 130 decibels. How far away should you sit to reduce the level to 110 decibels? Please give step by step instructions on how to reach these answers. Thank you