Answer:
t = 60
Step-by-step explanation:
Using the rule of exponents
[tex](a^{n}) ^{m}[/tex] ⇔ [tex]a^{mn}[/tex]
Hence
[tex](j^{-12}) ^{-5}[/tex] = [tex]j^{-12(-5)}[/tex] = [tex]j^{60}[/tex]
Thus t = 60
60
