Insert the corresponding expression:
Insert the corresponding expression:
To solve this problem, we will evaluate the expression following these steps:
Let's go through each step:
Step 1: Calculate the cube of the numerator, which is 4. That is, .
Step 2: Calculate the cube of the denominator, which is 5. That is, .
Step 3: Combine these results into a fraction: .
Therefore, the expression simplifies to .
Upon comparing with the given choices, the correct answer is choice 1: .