+0  
 
0
688
1
avatar
(-125)^(2/3)
 Aug 25, 2013
 #1
avatar+259 
0
(-125)^(2/3) = sqrt[3]{-125^2} = sqrt[3]{125^2} = sqrt[3]{(5^3)^2} = sqrt[3]{(5^2)^3} = 5^2 = 25
 Aug 26, 2013

3 Online Users

avatar