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10. Efectuat aplicand regulile de cale cu puteri
(3la 4x3la 9)la 2=​


Răspuns :

[tex] ({3}^{4} \times {3}^{9}) ^{2} = 3 {}^{4} \times 3 {}^{9 \times 2} = {3}^{4 + 18} = 3 {}^{22} [/tex]