bonsoir
A = 30/165 + 3/11 x 5/3
A = 30/165 + 15/33
A = 30/165 + 75/165 = 105/165 = 7/11
B = 16 * 10 ⁻¹⁰ * 3 * 10 ⁴
B = 48 * 10 ⁻⁶ = 0.000 048 = 4.8 *10 ⁻⁵
C = 70 * 10 ⁻¹⁰ sur 42 * 10 ⁻⁴
C = 70/42 * 10 ⁻⁶
C = 5/3 * 10⁻⁶ = 1.667 * 10 ⁻⁶
vérifies les puissances du C car le 10 de la fin peu lisible
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bonsoir
A = 30/165 + 3/11 x 5/3
A = 30/165 + 15/33
A = 30/165 + 75/165 = 105/165 = 7/11
B = 16 * 10 ⁻¹⁰ * 3 * 10 ⁴
B = 48 * 10 ⁻⁶ = 0.000 048 = 4.8 *10 ⁻⁵
C = 70 * 10 ⁻¹⁰ sur 42 * 10 ⁻⁴
C = 70/42 * 10 ⁻⁶
C = 5/3 * 10⁻⁶ = 1.667 * 10 ⁻⁶
vérifies les puissances du C car le 10 de la fin peu lisible