hasil dari ((2/3)^-2)^3 adalah

[tex]( { { \frac{2}{3} }^{ - 2} })^{3} = ( \frac{2}{3} ) {}^{ - 2 \times 3} \\ \\ = (\frac{2}{3} ){}^{ - 6} \\ \\ = \frac{1}{ (\frac{2}{3}) {}^{6} } \\ \\ = ( \frac{3}{2} ) {}^{6} = \frac{ {3}^{6} }{ {2}^{6} } \\ \\ = \frac{729}{64} = 11 \: \frac{25}{64} [/tex]