Answer: 3
Explanation:
To solve this problem you must apply the proccedure shown below:
1. Find the prime factorization of 27:
or

2. The index of the radical is 3, therefore, you have rewrite it as following:
![\sqrt[3]{27}=\sqrt[3]{3^(3)}=3^{(3)/(3)}=3^(1)=3](https://img.qammunity.org/2020/formulas/mathematics/middle-school/d2sk6j15tadhvan3nvyms91o8l46y64mb8.png)
3. Therefore, as you can see, the answer is 3.