La lumière met 4h 12 min pour aller du Soleil à Neptune, planète la plus éloignée du Système Solaire. Sachant que la vitesse de la lumière est de 300 000 km/s , quel est la distance Soleil Neptune en km (resultat en notation scientifique)?

By: USER3159
27 Agustus 2025 mathematiques 5 minutes
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Grade: Education Subject: mathematiques
La lumière met 4h 12 min pour aller du Soleil à Neptune, planète la plus éloignée du Système Solaire. Sachant que la vitesse de la lumière est de 300 000 km/s , quel est la distance Soleil Neptune en km (resultat en notation scientifique)?
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Best Answer
(121)
bonjour

4 h 12 mi = 4.2 h

distance = vitesse x temps
300 000 x 4.2 = 1 260 000 km = 1,26 x 10⁶
Answered on 27 Agustus 2025

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