9 . 27 ^ n = 3 ^ 5
3 ^ 2 . 3 ^ 3n = 3 ^ 5
3 ^ 2 + 3n = 3 ^ 5
=> 2 + 3n = 5
=> 3n = 3
n = 1
\(9.27^n=3^5\)
\(\Rightarrow3^2.\left(3^3\right)^n=3^5\)
\(\Rightarrow3^2.3^{3n}=3^5\)
\(\Rightarrow n=1\)
tíc mình nha
9.27n=35
9.27n=243
27n=243:9
27n=27
271=27
n =1