Answer:
D
Step-by-step explanation:
Using the law of logarithms
• [tex]log_{b}[/tex] x = n ⇔ x = [tex]b^{n}[/tex]
given
[tex]log_{3}[/tex] x = 4 ⇒ x = [tex]3^{4}[/tex] = 81 → D