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Aluno
Dê o valor, na forma decimal, de: a) 2−12^{-1}2−1 e) −(−4)−3-(-4)^{-3}−(−4)−3 b) 2−52^{-5}2−5 f) −(−10)−1-(-10)^{-1}−(−10)−1 c) (−2)−2(-2)^{-2}(−2)−2 g) 10−310^{-3}10−3 d) −2−4-2^{-4}−2−4 h) 5−25^{-2}5−2
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