Measurements
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Prefixes

bullet1012 = tera = T
bullet109 = giga = G
bullet106 = mega = M
bullet103 = kilo = k
bullet10-3 = milli = m
bullet10-6 = micro = μ
bullet10-9 = nano = n

Examples :

3 MW = 3 000 000 watts . Note how spaces (NOT commas) are used to make the number more legible.

       8 μm = 8 x 10-6 m = 0.000 008 meters  

 
 

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