Answer:
50 Db
Step-by-step explanation:
we know that
The loudness in decibels is given by the formula

where
I = sound intensity in watts per square meter (Watts/m^2)
I₀ = reference intensity, = 10^(-12) Watts/m^2
so
For I=10^(-7) Watts/m^2
substitute in the formula above and solve for L



-3x-3 = 4x-3
-3 = 7x-3
0 = 7x
x = 0
Answer:
after question;
-8*(-4)
-32
Step-by-step explanation:
it's too easy.please mark me brainliest
Answer:
22
Step-by-step explanation:
Answer:
uhh that's a negative decimal unsure what you want