Answer:
[tex]a^8b^{12}[/tex]
Step-by-step explanation:
when you raise an exponent to a power you multiply
Also since the terms inside the parenthesis are multiplied and not added, you don't have to worry about expanding it
[tex](a^2b^3)^4 = a^{2*4}b^{3*4}=a^8b^{12}[/tex]
