Answer:
Log9 (9^2)=2
Step-by-step explanation:
81 = 9²
using the law of logarithms
• [tex]log_{b}[/tex] x = n ⇔ x = [tex]b^{n}[/tex], hence
[tex]log_{9}[/tex] 81 = 2 ⇒ 81 = 9² ← in exponential form
