Réponse:
[tex]250 = 2.5 \times {10}^{2} \\ 3615 \times {10}^{4} = 3.615 \times {10}^{7} \\ 0.00578 \times {10}^{ - 3} = 5.78 \times {10}^{ - 6} \\ 3524 = 3.524 \times {10}^{3} \\ 0.0005879 = 5.879 \times {10}^{ - 4} \\ 46987 \times {10}^{14} = 4.6987 \times {10}^{18} [/tex]