Question

7 upon 9 power minus 11 into 9 upon 4 power minus 9

Answer 1

[tex] (\frac{7}{9})^{-11 } (\frac{9}{4})^{-9 } \\ = (\frac{9}{7})^{11 } (\frac{4}{9})^{9 } \\ = \frac{9^{2} 4^{9} }{ 7^{11} } [/tex]

Answer 2

can you repeat your question again..
if your question is right the ans would be in points like 0.00023