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Sagot :

Bonjour,

0,00007 = 7 × 0,00001 = 7 × 10⁻⁵

0,012 = 12 × 0,001 = 12 × 10⁻³

0,000068 = 68 × 0,000001 = 68 × 10⁻⁶

Bonjour,

a. 0,000 07 = 7 × 0,000 01 = 7 × 10^-5

b. 0,012 = 12 × 0,001 = 12 × 10^-3

c. 0.000 068 = 68 × 0.000 001 = 68 × 10^-6

En espérant t'avoir aidé :)

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