Question

Por favor ajuda_me só com esse exercício.!!​

Answer 1

Resposta:

n = 3,125.10¹³

Explicação:

e = 1,6.10⁻¹⁹ C

Q = 5.10⁻⁶ C

n = ?

$Q =n.e\\\\5.10^{-6} =n*1,6.10^{-19} \\\\\frac{5.10^{-6} }{1,6.10^{-19}} = n\\\\3,125.10^{-6-(-19)} =n\\\\3,125.10^{-6+19} =n\\\\n= 3,125.10^{13}$