Here's a property of exponents.
[tex]a^b \times a^c = a^{b+c}[/tex]
We have to simplify [tex]3^2 \times 3^3[/tex]
Use the property of exponents I have shown.
[tex]3^2 \times 3^2}=3^{2+3}=3^5[/tex]
You chose the right answer. Good job! Hope this helps! :)