Question

Simplify the expression r^-3 s^5 t^2/r^2 st^-2

Answer 1

($\frac{r^{-3}s^{5} t^{2} }{ r^{2} }$) ($t^{-2}$) 
$\frac{ s^{6} t^{2} }{r^{5} t^{2} }$ 
$\frac{ s^{6} }{ r^{5} }$ 
Hope that helps!! 
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Answer 2

simplify the expression r^-3s^5t^2 over r^2st^-2 
--------
= [s^4t^4] / [r^5]