What is the difference in intensity for two sounds that are 40 dB apart?

the difference of 10 dB is considered as having 10 times the intensity, so difference of 40 dB means :

=》10 × 10 × 10 × 10

=》10000 times

so the the intensity of one sound is 10000 times the other one.

grav force prop 1/r squared 2r all squared is 4rsquared 1/4rsquared quartered

0.93xc=0.93x3x10^8m/s

2.54cm is 1 inch

360seconds i 1 hr