Question

Алгебра!!!!!!!!!!!!!!!!!

Answer 1

$frac{6^{-4}* 6^{-9}}{6^{-12}} =6^{-4+(-9)-(-12)}=6^{-1}= frac{1}{6}$

Answer 2

-4+(-9)= -13, -13-(-12)=-1. 6 в -1 степени=1/6