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5^9/5^13
 Oct 11, 2012

2+1 Answers

 #1
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5^(-4) or 1/(5^4) or 1/625
Divide: subtract the exponents, so 9 - 13 = -4
 Oct 11, 2012
 #2
avatar+3146 
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[input]5^9/5^13[/input]
 Oct 13, 2012

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