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а) ![(- frac{1}{2^{-1}})^{-3}*(-2)^0=-(frac{1}{2^{-1}})^{-3}*1=-2^{-3}=-frac{1}{2^3}=-frac{1}{8}=-0.125 (- frac{1}{2^{-1}})^{-3}*(-2)^0=-(frac{1}{2^{-1}})^{-3}*1=-2^{-3}=-frac{1}{2^3}=-frac{1}{8}=-0.125](https://tex.z-dn.net/?f=%28-+frac%7B1%7D%7B2%5E%7B-1%7D%7D%29%5E%7B-3%7D%2A%28-2%29%5E0%3D-%28frac%7B1%7D%7B2%5E%7B-1%7D%7D%29%5E%7B-3%7D%2A1%3D-2%5E%7B-3%7D%3D-frac%7B1%7D%7B2%5E3%7D%3D-frac%7B1%7D%7B8%7D%3D-0.125)
б)![frac{5^{-3}*25^2}{(-125)^{-2}}=frac{25^2*125^{2}}{5^3}=frac{(25*125)^{2}}{5^3}= frac{3125^2}{5^3}=frac{5^{10}}{5^3}=5^7=78125 frac{5^{-3}*25^2}{(-125)^{-2}}=frac{25^2*125^{2}}{5^3}=frac{(25*125)^{2}}{5^3}= frac{3125^2}{5^3}=frac{5^{10}}{5^3}=5^7=78125](https://tex.z-dn.net/?f=+frac%7B5%5E%7B-3%7D%2A25%5E2%7D%7B%28-125%29%5E%7B-2%7D%7D%3Dfrac%7B25%5E2%2A125%5E%7B2%7D%7D%7B5%5E3%7D%3Dfrac%7B%2825%2A125%29%5E%7B2%7D%7D%7B5%5E3%7D%3D+frac%7B3125%5E2%7D%7B5%5E3%7D%3Dfrac%7B5%5E%7B10%7D%7D%7B5%5E3%7D%3D5%5E7%3D78125)
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