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I need to solve this equation.

3E -9 N / 1.25 E -19 C

I do not know what to do with the -9 and -19.

  • Physics -

    Exponents in the denomimator get subtracted from the exponents in the numerator.

    3E -9 is a computer programmer's way of writing 3*10^-9. We don't use that notation here.

    3*10^-9 N / 1.25*10^-19 C = (3/1.25)*10^10 = 2.4*10^10 N/C (or Volts per meter)

    N/C is a measure of electric field strength

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