document.write( "Question 134142: how do i do this?\r
\n" ); document.write( "\n" ); document.write( "simplify(all positive exponents)
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Algebra.Com's Answer #98113 by Earlsdon(6294) $\"\"$ $\"About$

You can put this solution on YOUR website!
Simplify:
\n" ); document.write( " $\"%28r%5E%28-3%29s%5E2t%5E%28-4%29%29%2F%28r%5E0s%5E%28-4%29t%5E%28-5%29%29\"$ To change the sign of the exponent, move the base and its exponent down (if it is up) or up (if it is down).
\n" ); document.write( " $\"%28s%5E2s%5E4t%5E5%29%2F%28r%5E0r%5E3t%5E4%29\"$ Combine the like-bases by adding/subtracting their exponents and recall that $\"x%5E0+=+1\"$
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