Simplify (-8r^-5)/(s^-2)

$\frac{- 8 r^{- 5}}{s^{- 2}}$

Move $r^{- 5}$ to the denominator using the negative exponent rule $b^{- n} = \frac{1}{b^{n}}$ .

$\frac{- 8}{s^{- 2} r^{5}}$

Move $s^{- 2}$ to the numerator using the negative exponent rule $\frac{1}{b^{- n}} = b^{n}$ .

$\frac{- 8 s^{2}}{r^{5}}$

Move the negative in front of the fraction.

$- \frac{8 s^{2}}{r^{5}}$