SOLUTION: how do i do this? simplify(all positive exponents) {{{(r^-3s^2t^-4)/(r^0s^-4t^-5)}}}

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Question 134142: how do i do this?
simplify(all positive exponents)

Answer by Earlsdon(6294)   (Show Source): You can put this solution on YOUR website!
Simplify:
To change the sign of the exponent, move the base and its exponent down (if it is up) or up (if it is down).
Combine the like-bases by adding/subtracting their exponents and recall that

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