Question 930506


{{{(7a^(-6)b^(-1))(a^9b^0)}}} ...first, eliminate {{{b^0 }}} because {{{b^0=1 }}}


{{{(7a^(-6)b^(-1))(a^9)}}}


{{{(7(1/a^6)(1/b))(a^9)}}}


{{{(7/(a^6b))(a^9)}}}


{{{(7a^9)/(a^6b)}}}


{{{(7a^cross(9)3)/(cross(a^6)b)}}}


{{{7a^3/b}}}