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Elisa31340
@Elisa31340
May 2019
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Bonjours, quelqu'un pourrait m'aider sur cet exercice sur les notations scientifiques ? Merci
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Bonjour,
0,15nm = 1,5×10^-10 m ≈ 10^-10 m
12 750km = 1,2750 × 10^7 m ≈ 10^7 m
12 μm = 1,2 × 10^-5 m ≈ 10^-5m
320 m = 3,2 × 10^2 m ≈ 10^2m
6,2nm = 6,2 × 10^-9m ≈ 10^-8m
12×10^9km = 1,2×10^13m ≈ 10^13m
5,4mm = 5,4×10^-3m ≈ 10^-2m
18,9 × 10^21m = 1,89 × 10^22m ≈ 10^22m
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Elisa31340
Merci beaucoup !
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Bonjour,0,15nm = 1,5×10^-10 m ≈ 10^-10 m
12 750km = 1,2750 × 10^7 m ≈ 10^7 m
12 μm = 1,2 × 10^-5 m ≈ 10^-5m
320 m = 3,2 × 10^2 m ≈ 10^2m
6,2nm = 6,2 × 10^-9m ≈ 10^-8m
12×10^9km = 1,2×10^13m ≈ 10^13m
5,4mm = 5,4×10^-3m ≈ 10^-2m
18,9 × 10^21m = 1,89 × 10^22m ≈ 10^22m