Sound intensity model: equation

l = loudness, in decibels (db); i = sound intensity, in watts/m2; i0 = 10−12 watts/m2

the loudness of a jack hammer is 96 db. its sound intensity is about .
the loudness of a compactor is 94 db. its sound intensity is about .

a line is an defined derm because it

a)contains an infinite number of points b) can be used to create other geometric shapes c)describes something that does not have width or depth d) is a term that does not have a formal definition. a line is an undefined term because it: contains an infinite number of points.