bonjour
a = 4 et b = 10 ⁻³
1) a - b = 4 - 10 ⁻³ = 4 - 0.001 = 3.999
2) ab = 4 x 10 ⁻³ = 4 x 1/ 1000 = 4 /1000 = 1/250
3 ) a⁵ b ⁶ = 4 ⁵ x ( 10 ⁻³)⁶ = 4 ⁵ x 10 ⁻¹⁸ = 1.024 x 10 ⁻¹⁵
Explications étape par étape
Bonjour,
a=4 et b=10⁻³
1) a - b = 4 - 10⁻³ = 4 - 0,001 = 3,999
2) ab = 4 × 10⁻³ = 4/10³ = 4/1000 = 2/500 = 1/250
3) a⁵b⁶ = 4⁵ × (10⁻³)⁶ = 4⁵ × 10⁻¹⁸ = 1 024 × 10⁻¹⁸
= 1,024 × 10³ × 10⁻¹⁸
= 1,024 × 10³⁻¹⁸
= 1,024 × 10⁻¹⁵
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bonjour
a = 4 et b = 10 ⁻³
1) a - b = 4 - 10 ⁻³ = 4 - 0.001 = 3.999
2) ab = 4 x 10 ⁻³ = 4 x 1/ 1000 = 4 /1000 = 1/250
3 ) a⁵ b ⁶ = 4 ⁵ x ( 10 ⁻³)⁶ = 4 ⁵ x 10 ⁻¹⁸ = 1.024 x 10 ⁻¹⁵
Explications étape par étape
Bonjour,
a=4 et b=10⁻³
1) a - b = 4 - 10⁻³ = 4 - 0,001 = 3,999
2) ab = 4 × 10⁻³ = 4/10³ = 4/1000 = 2/500 = 1/250
3) a⁵b⁶ = 4⁵ × (10⁻³)⁶ = 4⁵ × 10⁻¹⁸ = 1 024 × 10⁻¹⁸
= 1,024 × 10³ × 10⁻¹⁸
= 1,024 × 10³⁻¹⁸
= 1,024 × 10⁻¹⁵