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Emaide1
@Emaide1
May 2019
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Bonsoir, je n'arrive vraiment pas à ces 2 exercices (10pts) niveau 3e. Merci d'avance
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loulakar
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Exercice 2 :
1) 2^40 est le double de 2^39
2^40 = 2 x 2^39 = 2^(1 + 39) = 2^40
2) 2048 est une puissance de 2 :
2048 = 2x2x2x2x2x2x2x2x2x2x2
2048 = 2^11
Exercice 3 :
(10^15 + 1)/(10^15) = 1 n'est pas exact
10^15 / 10^15 + 1/10^15 =
1 + 1/10^15 =
1 + 10^(-15) = 1,000000000000001
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Bonsoir, comment se nomme la "famille" des ordinateurs/tablettes/smartphones etc ?
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Verified answer
Exercice 2 :1) 2^40 est le double de 2^39
2^40 = 2 x 2^39 = 2^(1 + 39) = 2^40
2) 2048 est une puissance de 2 :
2048 = 2x2x2x2x2x2x2x2x2x2x2
2048 = 2^11
Exercice 3 :
(10^15 + 1)/(10^15) = 1 n'est pas exact
10^15 / 10^15 + 1/10^15 =
1 + 1/10^15 =
1 + 10^(-15) = 1,000000000000001