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Réponse :

Bonjour,

Exercice 5 :

[tex](\frac{2}{5} )^{2} = \frac{4}{25}[/tex]

[tex](-\frac{1}{4} )^{3} = -\frac{1}{64}[/tex]

[tex](\frac{-3}{-5} )^{3} = \frac{27}{125}[/tex]

[tex]-(\frac{1}{2} )^{4} = -\frac{1}{16}[/tex]

[tex](\frac{3}{2} )^{-2} = \frac{4}{9}[/tex]

Exercice 6 :

[tex]R = 7^{3} * 7^{2} \\R = 7^{5}[/tex]

[tex]S =5^{4} * 5^{-2} \\S=5^{2}[/tex]

[tex]T = 11^{3}*2^{3} \\T =22^{3}[/tex]

Voila bonne journée..

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