Evaluate (10^0r^-11s)/(3^2)

$\frac{10^{0} r^{- 11} s}{3^{2}}$

Move $r^{- 11}$ to the denominator using the negative exponent rule $b^{- n} = \frac{1}{b^{n}}$ .

$\frac{s}{3^{2} r^{11}}$