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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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