Question

3^-9 ÷ 3^-12 = ?
Help?

Answer 1

\[3^{-9}+3^{-12}=\frac{1}{3^9}+\frac{1}{3^{12}}\]

Answer 2

Thank you

Answer 3

\[3^{-9}\div 3^{-12}=\frac{ 3^{-9} }{ 3^{-12} }=3^{-9}*3^{12}=3^{-9+12}=3^3=27\]