Sagot :
bonsoir
H = 1.6 x ( 10 ⁻³ ) ⁴ / 4 x 10 ⁻⁹
H = 1.6 x 10 ⁻¹² / 4 x 10 ⁻⁹
H = 0.4 x 10 ⁻³
H = 0.000 4
H = 4 x 10 ⁻⁴
bonsoir
H = ( 1.6 × ( 10-³)⁴ ) / ( 4 × 10-⁹ ) = (1.6 * 10-¹² ) / ( 4*10-⁹ ) = 1.6/4 × 10-³ = 0.4 * 10-³ = 4*10-⁴
bonne journée
bonsoir
H = 1.6 x ( 10 ⁻³ ) ⁴ / 4 x 10 ⁻⁹
H = 1.6 x 10 ⁻¹² / 4 x 10 ⁻⁹
H = 0.4 x 10 ⁻³
H = 0.000 4
H = 4 x 10 ⁻⁴
bonsoir
H = ( 1.6 × ( 10-³)⁴ ) / ( 4 × 10-⁹ ) = (1.6 * 10-¹² ) / ( 4*10-⁹ ) = 1.6/4 × 10-³ = 0.4 * 10-³ = 4*10-⁴
bonne journée