Okay we’re gonna do the order of PEMDAS. Here is my work! I hope you have a great day or night or whate it is for you.
Firstly, you want to multiply (f^4)^2. 
Next, multiply everything on the numerator. 
Next, divide. 
Now remember that f^-2 = (1/f^2), so just convert the negative powered exponent to that, and your answer will be 
It’s during we’re they came out to be and for the rest