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Sagot :

AYUDA

170000 =  1,7 x 100 000 = 1,7 x 10⁵

et

345000000 = 3,45 x 100 000 000 = 3,45 x 10⁸

VINS

bonjour

170 000 = 1.7 * 10 ⁵

345 000 000 = 3.45 * 10 ⁸

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