08-12-2007, 12:44 AM
it's neither...
the answer would be positive 1/9...
because the negative inverses the 3 to 1/3 and then when you apply the exponent (which is 2) to the 1/3 so...
3^-2 = (1/3)^2 = (1/3)*(1/3) = 1/9
does that help? =]
the answer would be positive 1/9...
because the negative inverses the 3 to 1/3 and then when you apply the exponent (which is 2) to the 1/3 so...
3^-2 = (1/3)^2 = (1/3)*(1/3) = 1/9
does that help? =]