Respuesta :

Answer:

[tex] {3}^{16} . {7}^{ - 6} [/tex]

Step-by-step explanation:

[tex]( {3}^{ - 8} . {7}^{3} )^{ - 2} \\ \\ = {3}^{ - 8( - 2)} . {7}^{3( - 2)} \\ \\ \huge = {3}^{16} . {7}^{ - 6} [/tex]