Answer 1

Если условие выглядит так: $\frac{16^6}{4^7*64}$, то решение будет таким:
$\frac{16^6}{4^7*64}= \frac{(4^2)^6}{4^7*4^3}= \frac{4^{2*6}}{4^{7+3}}= \frac{4^{12}}{4^{10}} =4^{12-10}=4^2=16$

Если брать как у вас:
$\frac{16^6}{4^{7*64}}= \frac{4^{12}}{4^{448}} = \frac{4^{12}}{4^{12+436}} =\frac{4^{12}*1}{4^{12}*4^{436}}= \frac{1}{4^{436}} =4^{-436}$

Answer 2

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