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  2. Multiplication table - Wikipedia

    en.wikipedia.org/wiki/Multiplication_table

    In mathematics, a multiplication table (sometimes, less formally, a times table) is a mathematical table used to define a multiplication operation for an algebraic system. The decimal multiplication table was traditionally taught as an essential part of elementary arithmetic around the world, as it lays the foundation for arithmetic operations ...

  3. Multiplication - Wikipedia

    en.wikipedia.org/wiki/Multiplication

    For example, the expression , phrased as "3 times 4" or "3 multiplied by 4", can be evaluated by adding 3 copies of 4 together: = + + = Here, 3 (the multiplier) and 4 (the multiplicand) are the factors, and 12 is the product.

  4. Biblical and Talmudic units of measurement - Wikipedia

    en.wikipedia.org/wiki/Biblical_and_Talmudic...

    The omer, which the Torah mentions as being equal to one-tenth of an ephah, [30] is equivalent to the capacity of 43.2 eggs, or what is also known as one-tenth of three seahs. [31] In dry weight, the omer weighed between 1.560 kg to 1.770 kg, being the quantity of flour required to separate therefrom the dough offering . [ 32 ]

  5. List of numeral systems - Wikipedia

    en.wikipedia.org/wiki/List_of_numeral_systems

    30: Trigesimal: The Natural Area Code, this is the smallest base such that all of ⁠ 1 / 2 ⁠ to ⁠ 1 / 6 ⁠ terminate, a number n is a regular number if and only if ⁠ 1 / n ⁠ terminates in base 30. 32: Duotrigesimal: Found in the Ngiti language. 33: Use of letters (except I, O, Q) with digits in vehicle registration plates of Hong Kong. 34

  6. Names of large numbers - Wikipedia

    en.wikipedia.org/wiki/Names_of_large_numbers

    10 18: 10 30 ... In 2009, Zimbabwe printed a 100 trillion (10 14) Zimbabwean dollar note, which at the time of printing was worth about US$30. [13]

  7. 30 Times When Being Cheap Will Cost You - AOL

    www.aol.com/30-times-being-cheap-cost-150000316.html

    An LED bulb, on the other hand, costs $8 or less, lasts 25,000 hours, uses $30 of electricity over that same 23-year span, and doesn't need changing. Yes, $8 is more expensive than $1, but $201 is ...

  8. Unit of time - Wikipedia

    en.wikipedia.org/wiki/Unit_of_time

    The svedberg is a time unit used for sedimentation rates (usually of proteins). It is defined as 10 −13 seconds (100 fs). The TU (for time unit) is a unit of time defined as 1024 μs for use in engineering. The galactic year, based on the rotation of the galaxy and usually measured in million years. [2]

  9. The Viral '30 Cows and 28 Chickens' Riddle Is Trickier Than ...

    www.aol.com/viral-30-cows-28-chickens-110600518.html

    From tricky brain teasers to classic word games, many of us love a good challenge. So, it's no surprise that a viral riddle—known as the "30 Cows and 28 Chickens" riddle—is going around right ...