Equal 1/4 I think sorry if wrong
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



Answer: 156
Step-by-step explanation:
Rows of seat = 48
Each row contains seat = 03
= 48 x 03
= 144
Front seats = 144 + 12
= 156
Answer:
1x64
2x32
4x16
8x8
-1x-64
-2x-32
-4x-16
-8x-8
Step-by-step explanation: