Bonjour,
a) 0,012 nm = 1,2 x 10⁻² nm
b) 71490 km = 7,1490 x 10⁴ km
c) 41000 milliards de km = 41000 x 10⁹ km = 4,1000 x 10³ x 10⁹ km = 4,1000 x 10¹² km
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Bonjour,
a) 0,012 nm = 1,2 x 10⁻² nm
b) 71490 km = 7,1490 x 10⁴ km
c) 41000 milliards de km = 41000 x 10⁹ km = 4,1000 x 10³ x 10⁹ km = 4,1000 x 10¹² km