Answer:
3
Step-by-step explanation:
1. Note that [tex]9=3^2.[/tex]
2. Use property [tex](a^m)^n=a^{m\cdot n},[/tex] then
[tex]9^2=(3^2)^2=3^{2\cdot 2}=3^4.[/tex]
3. Use the same property, thus
[tex](9^2)^{\frac{1}{4}}=(3^4)^{\frac{1}{4}}=3^{4\cdot \frac{1}{4}}=3^1=3.[/tex]
