Well if you tell me the distance of abcd from the speaker I could help u
37.5% is what I think the correct answer is sorry if its wrong
The answer is 20°C if you live in a very cold place so yah
(x^m)^n=x^(mn)
(x^m)(x^n)=x^(m+n)
make base same
9=3^2
(3^2)^1/3=3^(2/3)
3^1/3 times 3^2/3=3^(1/3+2/3)=3^1=3
