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1. Write the rules that are followed in writing the symbols of units in SI system.
 
The following are the rules and conventions for writing SI units and their symbols:
  • The units named after scientists  with an initial capital letter.
Example:
  • The symbols of the units named after scientists  by the initial capital letter.
Example:
  •  are used as symbols for units not derived from a proper noun.
Example:  
  • No full stop or other punctuation marks  within or at the end of symbols.
Example:
  • The symbols of the units are  in plural form.
Example:
  • The number and units  by a space.
Example: