1/10 divided by 250/1 = 1/2500
So, the answer is 1/2500
The answer is: 
The explanation is shown below:
1- You have the following expression given in the exercise:

2- When you multiply signs, you obtain:

3. Now, you must add like terms, as following:

4. Therefore, you have that the expression simplified is:

Answer:
-9
Step-by-step explanation: