Réponse:
1.96
Explications étape par étape:
(5 * 10^6 × 7 × 10^-8)^3 × 64 × 10^3
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25 × 10^5 × 8 × 10^-9 × 7 × 10^4
(5 * 10^6 × 7 × 10^-8)^3 × 8 × 8 × 10^3
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5 × 5 × 10^5 × 8 × 10^-9 × 7 × 10^4
5 * 5 × 5 × 10^6 × 10^6 × 10^6 × 7 × 7 × 7 × 10^-8 × 10^-8 × 10^-8 × 8 × 8 × 10^3
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5 × 5 × 10^5 × 8 × 10^-9 × 7 × 10^4
5 * 5 × 5 × 10^6 × 10^6 × 10^6 × 7 × 7 × 7 × 10^-8 × 10^-8 × 10^-8 × 8 × 8 × 10^3
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5 × 5 × 10^5 × 8 × 10^-9 × 7 × 10^4
5 × 10^6 × 10^6 × 10^6 × 7 × 7 × 10^-8 × 10^-8 × 10^-8 × 8 × 10^3
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10^5 × 10^-9 × 10^4
1960 × 10^6 × 10^6 × 10^6 × 10^-8 × 10^-8 × 10^-8 × 10^3
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10^5 × 10^-9 × 10^4
= 1960 × 10^1 × 10^2 × 10^6 × 10 × 10^-8 × 10^-8 × 10^3
= 1960 × 10^13 × 10^-16
= 1960 × 10^-3
= 1.96
ce qui est en gras c'est ce que je supprime en haut et an bas