no. 16, 17 pke cara yaaa

16.) dan 17.) soalnya sama

[tex](27 {}^{ \frac{1}{2} } ) {}^{ \frac{2}{3} } \\ = (3 {}^{3 \times \frac{1}{2} } ) {}^{ \frac{2}{3} } \\ = (3 {}^{ \frac{3}{2} } ) {}^{ \frac{2}{3} } \\ = 3 {}^{ \frac{3}{2} \times \frac{2}{3} } \\ = 3[/tex]
Jadi, jawabannya C (3)