Hello there!
The question in number form is 2 x (5³).
The answer is 250.
Or
If it's like this: (2 x 5)³
Then the answer is 1000
Hope This Helps You!
Good Luck :)
[4^7/5^2]³ = 4^21/5^6
When a power is raised to an other power, you multiply these 2 powers
Answer: 4^21/5^6