Very LARGE and Very "small" Numbers - International SI Units

Micro, Milli, Kilo, Mega and Giga. We don't normally write 132,000 Volts (for instance), instead we write 132kV or 132mV or 132uV or even 132MV. What are these symbols and how do we use them? This is the International System of Units which is the world's most widely used system of measurement and today we cover micro, milli, kilo, Mega and Giga.
More here: https://en.wikipedia.org/wiki/International_System_of_Units

Regards, Callum, M0MCX

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