Bonjour,
(0,49 × 10⁵ × 15 × 10⁻⁹) / (2,1 × 10⁻⁸)
= (0,49 × 15 ÷ 2,1) × 10⁵⁺⁽⁻⁹⁾⁻⁽⁻⁸⁾
= 3,5 × 10⁴
(121 × 10⁻⁸ × 64 × (10⁻⁶)⁻⁷) / (88 × 10⁶)
= (121 × 64 ÷ 88) × 10⁻⁸⁺⁽⁻⁶⁾ˣ⁽⁻⁷⁾⁻⁶
= 88 × 10²⁸
= 8,8 × 10²⁹
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Bonjour,
(0,49 × 10⁵ × 15 × 10⁻⁹) / (2,1 × 10⁻⁸)
= (0,49 × 15 ÷ 2,1) × 10⁵⁺⁽⁻⁹⁾⁻⁽⁻⁸⁾
= 3,5 × 10⁴
(121 × 10⁻⁸ × 64 × (10⁻⁶)⁻⁷) / (88 × 10⁶)
= (121 × 64 ÷ 88) × 10⁻⁸⁺⁽⁻⁶⁾ˣ⁽⁻⁷⁾⁻⁶
= 88 × 10²⁸
= 8,8 × 10²⁹