Answer:
-3
Step-by-step explanation:
To find:
The value of '?' in the following expression:

Solution:
First of all, let us have a look at a few rules of the exponents:


Let us apply these rules and try to find out the missing value ('?') in the given expression.
Left Hand Side (LHS):

Now, let us compare the LHS with RHS, we get:

Dividing with
on both sides:

Therefore, the missing value in the expression is <em>-3.</em>