bonjour
20 ⁷ x 5 ⁷ = 100 ⁷ = 1 * 10 ¹⁴
200 ³ x 0.00052² = 2.1632 x 10 ⁰
5 x 10 ³ x ( 2 x 10 ⁻²) ³ = 5000 x 2 ³ x 10 ⁻⁶ = 0.04 = 4 x 10 ⁻²
5 ⁻¹ x 10 ³ = 1/5 x 1000 = 200 = 2 x 10 ²
28 x 10 ⁴ sur 0.4 x 10 ⁷ = 70 x 10 ⁻³ = 7 x 10 ⁻²
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bonjour
20 ⁷ x 5 ⁷ = 100 ⁷ = 1 * 10 ¹⁴
200 ³ x 0.00052² = 2.1632 x 10 ⁰
5 x 10 ³ x ( 2 x 10 ⁻²) ³ = 5000 x 2 ³ x 10 ⁻⁶ = 0.04 = 4 x 10 ⁻²
5 ⁻¹ x 10 ³ = 1/5 x 1000 = 200 = 2 x 10 ²
28 x 10 ⁴ sur 0.4 x 10 ⁷ = 70 x 10 ⁻³ = 7 x 10 ⁻²