10ᵃ x 10ᵇ = 10ᵃ⁺ᵇ ; 10ᵃ/10ᵇ = 10ᵃ⁻ᵇ et (10ᵃ)ᵇ = 10ᵃˣᵇ
partant de là
C = (8x15) x (10¹⁵⁻⁶) / 10⁶ = 120 x 10⁹⁻⁶ = 120 x 10³ = 1,20 x 105⁵
et
D = (15)²/30 x (10⁻⁶⁻⁸⁺⁴)/10⁻¹² = 7,5 x 10⁻¹³⁺¹² = 7,5 x 10⁻¹
bonjour
C = 8 x 15 x 10 ¹⁵ x 10 ⁻⁶ : 10 ⁶
= 120 x 10 ⁹ : 10 ⁶
= 120 x 10 ³
D = 15² x 10 ⁻¹⁰ : 30 x 10 ⁻¹²
= 7.5 x 10 ²
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10ᵃ x 10ᵇ = 10ᵃ⁺ᵇ ; 10ᵃ/10ᵇ = 10ᵃ⁻ᵇ et (10ᵃ)ᵇ = 10ᵃˣᵇ
partant de là
C = (8x15) x (10¹⁵⁻⁶) / 10⁶ = 120 x 10⁹⁻⁶ = 120 x 10³ = 1,20 x 105⁵
et
D = (15)²/30 x (10⁻⁶⁻⁸⁺⁴)/10⁻¹² = 7,5 x 10⁻¹³⁺¹² = 7,5 x 10⁻¹
bonjour
C = 8 x 15 x 10 ¹⁵ x 10 ⁻⁶ : 10 ⁶
= 120 x 10 ⁹ : 10 ⁶
= 120 x 10 ³
D = 15² x 10 ⁻¹⁰ : 30 x 10 ⁻¹²
= 7.5 x 10 ²