Resposta :
2 milhões = 2.000.000 = 2*10^6 elétrons.
Q = n*e
Q = 2*10^6 * 1,6*10^-19
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Q = + 3,2 * 10^-13C
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Q = n*e
Q = 2*10^6 * 1,6*10^-19
************************
Q = + 3,2 * 10^-13C
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