List three different ways to write 5^11 as the product of two powers. explain why all three of your expressions are equal to 5^11

In multiplying quantities of the same base, the product is simply the base raised to a power that is the sum of the individual powers of the factors. That is, 

The term  can be expressed as the product of two factors with the same base (which is five) and whose powers add up to 11. Three examples are:

Your maths is very weak try yourself this would improve your skills don't depend on others

The answer is $9.90 with rounding to the nearest tenth