You are now ready to measure current through the LED.
The m in mA is the metric prefix for milli or “1/1000th of”. In this case, the current measurement is 5.108 mA, or 5.108 thousandths of an amp.
Links
[1] https://learn.parallax.com/sites/default/files/content/Python/Elec/ammeter_cyberscope.hex
[2] https://python.microbit.org/v/2
[3] https://cyberscope.parallax.com