CPM Homework Help : PC Problem 9-72

Use the properties of exponents to simplify $\left(\frac{12f^{-3}g^6}{3f^{-9}}\right)^2$

Hint:

Simplify the expression inside the parentheses first. Eliminate negative exponents. Then square the result.

Step:

$(4f^{-3-(-9)}g^6)^2$