Evaluate. Give your answers as fractions.
$\left(\frac{81}{16}\right)^{-\frac{1}{2}}=$
$\left(\frac{81}{25}\right)^{-\frac{1}{2}}=$
$\left(\frac{1}{25}\right)^{-\frac{1}{2}}=$
$\left(\frac{1000}{729}\right)^{\frac{1}{3}}=$
$\left(\frac{512}{343}\right)^{-\frac{1}{3}}=$
$\left(\frac{125}{216}\right)^{\frac{1}{3}}=$
$\left(\frac{343}{216}\right)^{-\frac{2}{3}}=$
$\left(\frac{49}{16}\right)^{\frac{1}{2}}=$
$\left(\frac{1}{512}\right)^{-\frac{2}{3}}=$
$\left(\frac{343}{64}\right)^{\frac{1}{3}}=$
$\left(\frac{1}{4}\right)^{-\frac{1}{2}}=$
$\left(\frac{343}{729}\right)^{-\frac{1}{3}}=$
$\left(\frac{1}{729}\right)^{-\frac{1}{3}}=$
$\left(\frac{729}{343}\right)^{-\frac{2}{3}}=$
$\left(\frac{8}{27}\right)^{-\frac{2}{3}}=$
$\left(\frac{125}{216}\right)^{-\frac{1}{3}}=$
$\left(\frac{125}{729}\right)^{-\frac{2}{3}}=$
$\left(\frac{64}{343}\right)^{\frac{2}{3}}=$
$\left(\frac{64}{9}\right)^{-\frac{1}{2}}=$
$\left(\frac{64}{125}\right)^{-\frac{1}{3}}=$
$\left(\frac{25}{16}\right)^{-\frac{1}{2}}=$