Answer:
Let's suppose you meant
![((P)/(Q) )^3](https://img.qammunity.org/2019/formulas/mathematics/high-school/r1rv7f01p7hl8b22mcxbkfmrqnyq2y6gmg.png)
If that is true, we would apply power of a quotient.
Explanation:
The law about power of a quotient defines: "the power of a quotient is equal to the quotient obtained when the numerator and denominator are each raised to the indicated power separately, before the division is performed".