Answer:
Option 2) The expression is equal to 1 over 12 factors of r
Option 4) Multiplying the exponents will create an equivalent expression.
Explanation:
We are given the following in the question:

Properties of exponent:

Thus, we can simplify the given expression as:

Thus, the correct answer is:
Option 2) The expression is equal to 1 over 12 factors of r
Option 4) Multiplying the exponents will create an equivalent expression.