Solve the Equation $$\log _ { 3 } \left( \log _ { 3 } x \right) = 0$$

Multiple Choice

Solve the equation. Write the solution set with the exact solutions. Also give approximate solutions to 4
decimal places if necessary.
- $$\log _ { 3 } \left( \log _ { 3 } x \right) = 0$$

A) $\{ 3 , - 3 \}$
B) $\{ 1 \}$
C) $\{ 0 \}$
D) $\{ 3 \}$