Respuesta :

apologiabiology
remember
[tex](ab)^c=(a^c)(b^c)[/tex] and
[tex]x^{-m}= \frac{1}{x^m} [/tex]

so
[tex](4a^{-4})^{-3}=(4^{-3})((a^{-4}^{-3})[/tex]=[tex]( \frac{1}{4^3})(a^{12})= \frac{a^{12}}{64} [/tex]

answer would be B if we were using x

Answer:

b

Step-by-step explanation:

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