$2^{-5}\cdot 2^8={\displaystyle \frac{1}{2^5}}\cdot 2^8=2^\{-5\}\backslash cdot\; 2^8=\backslash dfrac\{1\}\{2^5\}\backslash cdot\; 2^8=$${\displaystyle \frac{2^8}{2^5}}=2^3=8\backslash dfrac\{2^8\}\{2^5\}=2^3=8$

${\mathrm{0,1}}^2=\mathrm{0,1}\cdot \mathrm{0,1}=\mathrm{0,01}0\{,\}1^2=0\{,\}1\backslash cdot\; 0\{,\}1=0\{,\}01$