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Sagot :
Answer:
[tex]\huge\boxed{(-19)^{-8}=19^{-8}}[/tex]
Step-by-step explanation:
Use
[tex]a^n\times a^m=a^{n+m}[/tex]
[tex](-19)^{-12}\times(-19)^4=(-19)^{-12+4}=(-19)^{-8}[/tex]
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