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Sagot :

[tex]a)\frac{1}{9*9}=\frac{1}{9^{2} }=9^{-2} \\\\b)\frac{1}{7*7*7} =\frac{1}{7^{3} } =7^{-3} \\\\c)\frac{1}{3*3*3*3} =\frac{1}{3^{4} } =3^{-4}\\\\d)\frac{1}{6*6*6*6*6} =\frac{1}{6^{5} } =6^{-5} \\\\[/tex]

Et voilà! ;)

(* signifie multiplié par)

VINS

bonsoir

1/ 9² =  9 ⁻²

1 /7 ³ = 7 ⁻³

1 /3 ⁴ = 3 ⁻⁴

1 /6 ⁵ = 6 ⁻⁵

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