|z - 8| or whichever of (z - 8) and (8 - z) that is non-negative.
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Z=²8² = 8x8 = 64the value of z = 8
In complex mode functions, modules, and procedures cannot operate. For a complex number z = x + yi, first define the absolute value. This would be |z| and is the distance from z to 0 in the complex plane.
8
A z-score of 0 means the value is the mean.
I see that you already got a specific answer. More in general, you can calculate the absolute value of a complex number using the Pythagorean theorem. You can also use the "rectangular to polar" conversion, available on just about any scientific calculator - which will give you both the absolute value, and the angle. However, using this function is a bit confusing, and you'll probably have to check the calculator manual.