Answer:
Log9 (9^2)=2
Explanation:
81 = 9²
using the law of logarithms
• x = n ⇔ x = , hence
81 = 2 ⇒ 81 = 9² ← in exponential form
9.5m questions
12.2m answers
x = n ⇔ x = 
, hence
81 = 2 ⇒ 81 = 9² ← in exponential form