If a Laser Printer Prints at 600 Dots Per Inch,what $\times$

Multiple Choice

If a laser printer prints at 600 dots per inch,what is their angular separation when viewed from 40 cm?

A) 4.2 $\times$ 10^-5 rad
B) 2.7 $\times$ 10^-4 rad
C) 1.1 $\times$ 10^-4 rad
D) 5.5 $\times$ 10^-8 rad
E) 3.7 $\times$ 10^-3 rad