what equivalent expression is equal to this
(2^-4*2^-3)^5
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[tex](2^{-4} \cdot z^{-3})^5=2^{-4 \cdot 5} \cdot z^{-3 \cdot 5}=2^{-20} \cdot z^{-15}[/tex]
⇒ [tex]\frac{1}{2^{20} \cdot z^{15}}[/tex]