Respuesta :

Answer:

t = 60

Step-by-step explanation:

Using the rule of exponents

[tex](a^m)^{n}[/tex] = [tex]a^{mn}[/tex] , then

[tex](j^{-12}) ^{-5}[/tex]

= [tex]j^{(-12(-5))}[/tex]

= [tex]j^{60}[/tex]

Then t = 60