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cat face 2 la puterea -3?


Răspuns :

[tex] 2^{-3}= \frac{1}{ 2^{3} } = \frac{1}{8} [/tex]
[tex]\displaystyle 2^-^3= \frac{1}{2^3} = \frac{1}{2 \cdot 2 \cdot 2} = \frac{1}{4 \cdot 2} = \boxed{\frac{1}{8} }[/tex]