$$\text { Indicate which symbol, } \in \text { or } \notin \text { makes the statement true. }$$

Multiple Choice

$$\text { Indicate which symbol, } \in \text { or } \notin \text { makes the statement true. }$$
- $27_{-} \left\{ x \mid x = 3 ^ { n } \right.$ and $\left. n \in N \right\}$

A) $\notin$
B) $\in$