----------------------------------------------------------------Pakai cara yaa

[tex]3. {( \frac{2}{3}) }^{ - 4} = \frac{ {2}^{ - 4} }{ {3}^{ - 4} } = \frac{ \frac{1}{16} }{ \frac{1}{81} } = \frac{1}{16} \times 81 = \frac{81}{16} [/tex]
[tex]4. \: {6}^{6} \times {3}^{ - 6} \times {( \sqrt[3]{5}) }^{3} = \frac{ {6}^{6} }{ {3}^{6} } \times 5 = {2}^{6} \times 5 = 320[/tex]