P pezgrl78 New member Joined Apr 27, 2007 Messages 14 Apr 27, 2007 #1 I know the cube root of 64 is 4. But if you have a negative sign outside the cube root is the answer then -4?
I know the cube root of 64 is 4. But if you have a negative sign outside the cube root is the answer then -4?
J jwpaine Full Member Joined Mar 10, 2007 Messages 723 Apr 27, 2007 #2 Yes, you are correct. -(64^(1/3)) = -(4) = -4 Cheers, John
tkhunny Moderator Staff member Joined Apr 12, 2005 Messages 11,337 Apr 27, 2007 #3 pezgrl78 said: I know the cube root of 64 is 4. But if you have a negative sign outside the cube root is the answer then -4? Click to expand... Or inside! Those negative exponents aren't quite the same as the even ones.
pezgrl78 said: I know the cube root of 64 is 4. But if you have a negative sign outside the cube root is the answer then -4? Click to expand... Or inside! Those negative exponents aren't quite the same as the even ones.
