bonjour
( - 5)² = ( -5) ( - 5) = 25
(2)⁻³ = 1/8 = 0.125
- 2⁴ = - 16
( - 2)⁴ = 16
- 5⁵ = - 3125
- 7 / ( - 2)³ = - 7 /- 8 = 7/8
( - 7/ -2)³ = 343/8 = 42.875
exercice 6
1 mm = 0, 001 m
1 000 km = 1 000 000 m
10 μ m = 0.000001 m
0.1 g = 0.001 kg
1 000 tonnes = 1 000 000 kg
0.01 mg = 0.000001 kg
100 Mt = 100 000 000 000 kg
1 dam ² = 100 m ²
1 cm ² = 0.001 m²
1 ha = 10 000 m²
1 km² = 1 000 000 m²
100 km³ = 100 000 000 000 m³
1 mm ³ = 0.000 000 001 m³
10 cm ³ = 0.000001 m ³
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bonjour
( - 5)² = ( -5) ( - 5) = 25
(2)⁻³ = 1/8 = 0.125
- 2⁴ = - 16
( - 2)⁴ = 16
- 5⁵ = - 3125
- 7 / ( - 2)³ = - 7 /- 8 = 7/8
( - 7/ -2)³ = 343/8 = 42.875
exercice 6
1 mm = 0, 001 m
1 000 km = 1 000 000 m
10 μ m = 0.000001 m
0.1 g = 0.001 kg
1 000 tonnes = 1 000 000 kg
0.01 mg = 0.000001 kg
100 Mt = 100 000 000 000 kg
1 dam ² = 100 m ²
1 cm ² = 0.001 m²
1 ha = 10 000 m²
1 km² = 1 000 000 m²
100 km³ = 100 000 000 000 m³
1 mm ³ = 0.000 000 001 m³
10 cm ³ = 0.000001 m ³