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  2. Banknotes of Zimbabwe - Wikipedia

    en.wikipedia.org/wiki/Banknotes_of_Zimbabwe

    Later denominations copied design features from the original 2007 banknote series and lacked many modern security features that banknotes of major currencies (such as the Canadian Dollar) relied on. The notes denominated from $20 000 to $500 000 and then from $10 million onwards used non-watermarked paper, whilst the $500 million notes were ...

  3. Zimbabwean dollar - Wikipedia

    en.wikipedia.org/wiki/Zimbabwean_dollar

    On 2 February 2009, the RBZ announced that a further 12 zeros were to be taken off the currency, with 1,000,000,000,000 third Zimbabwean dollars being exchanged for 1 new fourth dollar. [ 30 ] [ 31 ] New banknotes were introduced with face values of Z$1 , Z$5 , Z$10 , Z$20 , Z$50 , Z$100 and Z$500 . [ 32 ]

  4. Googol - Wikipedia

    en.wikipedia.org/wiki/Googol

    A googol is the large number 10 100 or ten to the power of one hundred. In decimal notation, it is written as the digit 1 followed by one hundred zeros: 10, 000, 000 ...

  5. List of numeral systems - Wikipedia

    en.wikipedia.org/wiki/List_of_numeral_systems

    Mapping the nonzero digits to the alphabet and zero to the space is occasionally used to provide checksums for alphabetic data such as personal names, [54] to provide a concise encoding of alphabetic strings, [55] or as the basis for a form of gematria. [56] Compact notation for ternary. 28: Months timekeeping. 30: Trigesimal

  6. Billion - Wikipedia

    en.wikipedia.org/wiki/Billion

    Later, French arithmeticians changed the words' meanings, adopting the short scale definition whereby three zeros rather than six were added at each step, so a billion came to denote a thousand million (10 9), a trillion became a million million (10 12), and so on. This new convention was adopted in the United States in the 19th century, but ...

  7. Orders of magnitude (numbers) - Wikipedia

    en.wikipedia.org/wiki/Orders_of_magnitude_(numbers)

    1/52! chance of a specific shuffle Mathematics: The chances of shuffling a standard 52-card deck in any specific order is around 1.24 × 10 −68 (or exactly 1 ⁄ 52!) [4] Computing: The number 1.4 × 10 −45 is approximately equal to the smallest positive non-zero value that can be represented by a single-precision IEEE floating-point value.

  8. Metric prefix - Wikipedia

    en.wikipedia.org/wiki/Metric_prefix

    A metric prefix is a unit prefix that precedes a basic unit of measure to indicate a multiple or submultiple of the unit. All metric prefixes used today are decadic.Each prefix has a unique symbol that is prepended to any unit symbol.

  9. IUPAC numerical multiplier - Wikipedia

    en.wikipedia.org/wiki/IUPAC_numerical_multiplier

    The IUPAC numerical multiplier is a system of prefixes used in chemistry to indicate the number of atoms or groups in a molecule.