Common prefixes in metric system

• kilo=103 (kg, km)(thousand)

• mega=106 (Megawatt)(million)

• giga = 109 (Gigawatt)(billion)

• tera = 1012 (teragram)(trillion)

• deci = 10-1 (dm)

• centi = 10-2 (cm)

• milli = 10-3 (mm, mg)

• micro = 10-6 (?m, ?g)

• nano = 10-9 (nm, ng)

• pico = 10-12 (pm, pg)

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