Two slits are separated by $2\mathrm{.}00{10}^{-5}m.$ They are illuminated by light of wavelength $5\mathrm{.}60{10}^{-7}m.$ If the distance from the slits to the screen is $4\mathrm{.}00$ m $,$ what is the separation between the central bright fringe and the third dark fringe?

$0\mathrm{.}421$ m

$0\mathrm{.}281$ m

$0\mathrm{.}168$ m

$0\mathrm{.}084$ m

$0\mathrm{.}070$ m