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i dont know what to do with the number 3.2 in this problem trying to obtian the loudness of a sound in decibals. I already did some of the steps
I just dont know what to do with the 3.2 in the equation. Only have done problems that use
And with 1.0 the answer would be
or 70 dB
Where does that leave us?
Of course, someone is going to worry about significant digits. Subtracting with 7 orders of magnitude difference is a touchy subject. With a few more orders of magnitude, I like this explanation:
Weight of the Earth + Grain of Sand = Weight of the Earth