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Appendix C
International System of Units Specifications

International System of Units (SI) specifies prefixes for certain multiples of 10. This practice is followed in engineering and electronics as a shorthand way of representing large and small numbers. The following chart provides the prefixes and their associated multiplier. As an example, the number 1,200,000 could be represented as 1.2 Mega, or 1.2 M.

Prefix Symbol Multiplier
Giga G 1,000,000,000
Mega M 1,000,000
Kilo K 1,000
milli m 0.001
micro u 0.000001
nano n 0.000000001
pico p 0.000000000001


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