Answer:
a
Step-by-step explanation:
[tex] \bigg( \frac{8}{27} \bigg)^{ \frac{2}{3} } \\ = \bigg( \frac{ {2}^{3} }{ {3}^{3} } \bigg)^{ \frac{2}{3} } \\ = \bigg( \frac{ {2}}{ {3}} \bigg)^{ \frac{3 \times 2}{3} } \\ = \bigg( \frac{ {2}}{ {3}} \bigg)^{2 } \\ = \frac{4}{9} [/tex]