Let me know if it’s too small I can write the question bigger

Answer:
[tex]4^{45}[/tex]
Step-by-step explanation:
Ignoring 0, anything raised to the power of zero is 1
In [tex](x^{m})^{n}[/tex] you multiply the exponents
So, [tex](4^{9})^{5}=4^{45}[/tex]
[tex]4^{45}*1=4^{45}[/tex]