Answer:
27
Step-by-step explanation:
All you have to do is plug [tex]a[/tex] into the equation.
[tex]3a^2[/tex]
[tex]3(3)^2[/tex]
3 squared equals 9.
[tex]3(9)[/tex]
Now multiply 3 times 9.
[tex]=27[/tex]
I hope this helps! :)
