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Sagot :

AYUDA

bjr

coup de pouce

2³ = 2x2x2

2⁻¹ = 1/2 = 0,5

et 2⁻² = 1/2² = 1/4 = 0,25

10⁴ = 10x10x10x10

10² = 10x10

et 10⁻¹ = 1/10 = 0,1

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