Pls help:/ (a) Find the decibel rating of a sound, d = 10 log I/1o having intensity 10,000,000,0001., where lo is the initial intensity.
(b) If the intensity of a sound is doubled, by how much is the decibel rating increased?

Scenario: a rectangular plot of ground is 5 meters longer than it is wide. its area is 20,000 square meters. question: what equation will you find the dimensions? note: let w represent the width. options: w(w+5)=20,000 w^2=20,000+5 (w(w+5))/2=20,000 w+2(w+5)=20,000