Math  /  Numbers & Operations

QuestionFAI IL PUNTO SULLE COMPETENZE Le potenze con esponente intero negativo GUARDA!
Fai questi esercizi 1 TEST A quale valore corrisponde la potenza 525^{-2} ? anche su ZTE (A) 110\frac{1}{10} (B) 125-\frac{1}{25} [ 125\frac{1}{25} (D) -25
2 Disponi in ordine crescente i seguenti numeri: (2)1;(12)1;21;(12)2(-2)^{-1} ; \quad\left(\frac{1}{2}\right)^{-1} ; \quad 2^{-1} ; \quad\left(-\frac{1}{2}\right)^{2}
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Studdy Solution
1. 52=1255^{-2} = \frac{1}{25}.
La risposta corretta è la (C).
2. L'ordine crescente è: (2)1(-2)^{-1}, (12)2\left(-\frac{1}{2}\right)^{2}, 212^{-1}, (12)1\left(\frac{1}{2}\right)^{-1}.

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