A two-axis positioning system uses a bit storage capacity of 3 bytes (a byte is 8 bits) in its control memory for each axis. To position the worktable, a stepper motor with step angle = 3.5 is connected to a leadscrew with a 2:1 gear reduction ratio. The leadscrew pitch is 10 mm. The range of the x-axis is 578 mm and the range of the y-axis is 433 mm. Mechanical accuracy of the worktable can be represented by a Normal distribution with standard deviation = 0.02 mm for both axes. For the x-axis of the positioning system, determine the accuracy (mm, 4 decimal points).