Question

$( {9}^{2} \div {9}^{ - 2} )^{2} \times {9}^{ - 4}$
Solve this. Plz answer me quick ​

Answer 1

$(9 ^ { 2 } \div 9 ^ { -2 } ) ^ { 2 } \times 9 ^ { -4 } \\ = \left(9^{4}\right)^{2}\times 9^{-4} \\ = 9^{8}\times 9^{-4} \\ = 9^{4} = 6561$