Final answer:
The answer is C. 7^5.
Step-by-step explanation:
The correct answer is D. 57.
To determine which option is equal to 75, we need to evaluate each one:
- A. 785 - 785 is not equal to 75.
- B. 5^7 - 5 raised to the power of 7 is 78125, not equal to 75.
- C. 7^5 - 7 raised to the power of 5 is 16807, which is equal to 75.
- D. 57 - 57 is not equal to 75.
Therefore, the correct option is C. 7^5.