Električni naboj - 8.

$1,8\cdot {10}^{-19}\mathrm{C}1,8\; \backslash cdot\; 10^\{-19\}\; \backslash mathrm\{C\}$

$8\cdot {10}^{-19}\mathrm{C}8\; \backslash cdot\; 10^\{-19\}\; \backslash mathrm\{C\}$

$18\cdot {10}^{-19}\mathrm{C}18\; \backslash cdot\; 10^\{-19\}\; \backslash mathrm\{C\}$

$28\cdot {10}^{-19}\mathrm{C}28\; \backslash cdot\; 10^\{-19\}\; \backslash mathrm\{C\}$