The expression
$\displaystyle {\left({c}^{{5}}{d}^{{5}}\right)}^{{-\frac{{1}}{{3}}}}$

equals $\displaystyle \frac{{1}}{{{c}^{{r}}{d}^{{s}}}}$ where
r, the exponent of c, is: Preview Question 6 Part 1 of 2  
s, the exponent of d, is: Preview Question 6 Part 2 of 2