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Sagot :

Réponse :

450x10(6)=450000000 ; 0,00067x10(-5)=0,000000006 7 ; 6300x10(12)=630000000000 ; 0,012500x10(-14)=0,0000000000000012500 ; 0,012500x10(-12)=0,000000000000001250 ; 0,012500x10(15)=12500000000000 ;

81500000x10(-23)= 0,00000000000000081500000

Explications étape par étape bonne journée

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