What is the missing value in x2y8 · x3y? = x5y5?

-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 -3.