Answer:
B.
Step-by-step explanation:
So to make it look simpler, rewrite it as this:
[tex]\frac{4^{5} 7^{3} }{4^27^4}[/tex]
Now, you can cross out the 4^2 and 7^3
You're left with:
[tex]\frac{4^3}{7}[/tex]
