Question

Please tell step by step how to find vue of n​

Answer 1

$\bf1c = n \times 1.6 \times {10}^{ - 19} \\ = > \: \bf n = \frac{1}{1.6 \times {10}^{ - 19} } \\ = > \: \bf \: n = 6.25 \times {10}^{18} \\ \\ \bf \: hope \: you \: get \: your \: answer.$