Ah thanks, I think I get it now. Just a couple more questions:
x^3 + x^-3 = does this equal x^0?
And:
(8a^-3b^6)^1/3 = is this 2a^-1b^2?
Thank you!!!!! sooo muchhh
no, the rule works for products, not sums.
$\displaystyle x^a \cdot x^b = x^{a + b}$
$\displaystyle x^a + x^b \ne x^{a + b}$
this is simply
$\displaystyle x^3 + \frac 1{x^3}$
now combine the fractions
correct
And:
(8a^-3b^6)^1/3 = is this 2a^-1b^2?
Thank you!!!!! sooo muchhh
EDIT: the princess' $\displaystyle \frac {2b^2}a$ is even nicer if you don't like negative powers.