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  2. Googolplex - Wikipedia

    en.wikipedia.org/wiki/Googolplex

    Sagan gave an example that if the entire volume of the observable universe is filled with fine dust particles roughly 1.5 micrometers in size (0.0015 millimeters), then the number of different combinations in which the particles could be arranged and numbered would be about one googolplex. [8] [9]

  3. Tally marks - Wikipedia

    en.wikipedia.org/wiki/Tally_marks

    Only the tally marks for the numbers 1 and 5 are encoded, and tally marks for the numbers 2, 3 and 4 are intended to be composed from sequences of tally mark 1 at the font level. Counting Rod Numerals [1] [2]

  4. Pentadic numerals - Wikipedia

    en.wikipedia.org/wiki/Pentadic_numerals

    The number 4 is represented by four vertical lines on the horizontal stem, 5 is represented by what looks like a half-turned letter U, resembling the letter "P" in combination with the stem. 10 is represented by two turned U's opposing each other. More numbers up to 19 or 20, can be represented by a combination of I's and U's branching off of a ...

  5. Googol - Wikipedia

    en.wikipedia.org/wiki/Googol

    Kasner used it to illustrate the difference between an unimaginably large number and infinity, and in this role it is sometimes used in teaching mathematics. To put in perspective the size of a googol, the mass of an electron, just under 10 -30 kg, can be compared to the mass of the visible universe, estimated at between 10 50 and 10 60 kg. [ 5 ]

  6. Countdown - Wikipedia

    en.wikipedia.org/wiki/Countdown

    A countdown is a sequence of backward counting to indicate the time remaining before an event is ... after each number the phrase "seconds to go" was repeated ...

  7. Today's Wordle Hint, Answer for #1259 on Friday, November 29 ...

    www.aol.com/lifestyle/todays-wordle-hint-answer...

    If you’re stuck on today’s Wordle answer, we’re here to help—but beware of spoilers for Wordle 1259 ahead. Let's start with a few hints.

  8. Mighty Math - Wikipedia

    en.wikipedia.org/wiki/Mighty_Math

    Carnival Countdown was released in July 1996. It teaches counting, sums and early multiplication and division. It teaches counting, sums and early multiplication and division. Number Heroes was released that very same time.

  9. Play Just Words Online for Free - AOL.com

    www.aol.com/games/play/masque-publishing/just-words

    Just Words. If you love Scrabble, you'll love the wonderful word game fun of Just Words. Play Just Words free online! By Masque Publishing