## Prefixes

It is often hard to work with powers of 10. A light year is for exampleand it is more natural to work in light years instead of this number. Sometimes a unit is directly translated into powers of 10, so for example 1 kilogram equals 1000 grams =grams. The number 1000 is given the prefix kilo. There are a range of suffixes which makes taking of large or small quantities easier and more natural. Some are shown in the table.

Prefix | Symbol | Value |

femto | f | |

pico | p | |

nano | n | |

micro | %mu | |

milli | m | |

centi | c | |

deci | d | |

kilo | k | |

Mega | M | |

Giga | G | |

Tera | T |