Laser Light of 589 Nm Wavelength Is Shown Through Parallel $\times$

Multiple Choice

Laser light of 589 nm wavelength is shown through parallel slits forming a series of maxima on a screen 4.20 m away.If the distance between the central maximum and the first order maximum is 1.67 cm,what is the slit separation?

A) 3.90 $\times$ 10^-3 cm
B) 3.98 $\times$ 10^-3 m
C) 9.98 $\times$ 10^-5 m
D) 1.40 $\times$ 10^-3 m
E) 1.48 $\times$ 10^-4 m