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 
3/10
As a fraction bababababa
Answer:
She will score 40 points in 30 minutes.
Step-by-step explanation:
30 minutes divided by 6 minutes is 5, times 8 points is 40 points.
Make all fractions with a 48 denominator:
21/48 + 28/48 + 42/48 + 88/48
=179/48 = 3 (35/48)