$\displaystyle \left(- \frac{1}{10} \right)$\displaystyle \left(- \frac{1}{10} \right)

$\displaystyle \frac{3}{50}$\displaystyle \frac{3}{50}

$\displaystyle \frac{3}{100}$\displaystyle \frac{3}{100}

$\displaystyle \left(- \frac{1}{5} \right)$\displaystyle \left(- \frac{1}{5} \right)