[tex]e = 40 \times {10}^{ - 9} \times 2500 \times {100}^{3} \\ = 40 \times {10}^{ - 9} \times 2500 \times {10}^{6} \\ = {10}^{5} \times {10}^{ - 3} \\ = {10}^{2} [/tex]
[tex]f = 0.00001 \times ( {10}^{ - 6} )^{2} \times 10^{14} \\ = {10}^{ - 5} \times {10}^{ - 12} \times {10}^{14} \\ = {10}^{ - 3} [/tex]
[tex] g = \frac{ {10}^{27} }{ {10}^{32} } = \frac{1}{ {10}^{12} } \\ g = {10}^{ - 12}[/tex]