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Sagot :

HAMELCHRISTOPHE

Réponse :

A = [3.10^(-2) * 1,2.(10^(-3))^4 ] / [ 0,3.10^(-7) * 0.2)]   * signifie multiplie

A = [ 3,6.10^(-2-3*4)] / [3*2. 10^(-2-7)]

A = [ 36.10^(-1-14)] / [ 6.10^(-9)]

A = 6.10^(-15-(-9))

A = 6.10^(-6)

j'espère avoir aidé.

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