Answer:
See below
Step-by-step explanation:
- When you are raising a number to a negative power, it is the same as dividing 1 by that power when it is positive. So,
can be written as:
.
is 125, so we can substitute that in to get: 
- This expression is the same as the one before, but it is negative. This means we can say 
- We can start by writing
as
. Now, we can distribute the exponent -1, and simplify. Remember when raising a power in parenthesis to another power, you multiply them:

- We can start by writing
as
. Now, we can distribute the exponent 0, and simplify:
