HELP HELP HELP HELP

? = -2

Step-by-step explanation:

The division law of exponents states that when two numbers with the same base are divided, the exponents will subtract:

This means that the answer is:

Now we just need to convert the answer into the form the question needs.

The power of a power exponent law states that when an exponent is raised to an exponent, the exponent are multiplied, so:

This also means that

Since our ab is -10, we just need to divide it by the a, which is 5, to get our b, which is the ?

-10/5=-2

Therefore the ? = -2

Hope this helped!

2

step-by-step explanation: