Question

$frac{ {9}^{ - 13} times {9}^{19} }{ {9}^{5} }$

Answer 1

$frac{9 ^{-13}*9 ^{19} }{9 ^{5} }= frac{9 ^{-13+19} }{9 ^{5} }= frac{9 ^{6} }{9 ^{5} }=9 ^{6-5} =9$

Answer 2

9^(-13+19-5)=9^1=9
Ответ: 9.