What is the magnitude of the net electric field at $1e-08m$ on the $y-$axis

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What is the magnitude of the net electric field at $1e-08m$ on the $y-$axis if the charges are separated by $1\mathrm{.}3e-09m?{3\mathrm{.}76}^{**}{10}^{{?}^{{?}^{?}}}-10\frac{N}{C}$

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