We are asked to identify the property that is applied to multiply to expressions of the same base nd different exponents:
Here we need to apply the power property of products, which tells us:
So the answer is : we apply the power property of products.And end up with the expression 5 to the power 13.
For the case:
we need to apply the property for power of a product . This property tells us how to distribute the power into a product of different bases: