Create the page "Decimal notation" on this wiki! See also the search results found.

• Irrational number
  ...teger]]s. Equivalently, an irrational number, when expressed in [[decimal notation]], never terminates nor repeats. Examples are <math>\pi, \sqrt{2}, e, \sqr
  3 KB (368 words) - 19:26, 6 June 2015
• 2006 AIME I Problems
  ...<math> N </math> be the number of consecutive 0's at the right end of the decimal representation of the product <math> 1!2!3!4!\cdots99!100!. </math> Find th ...e square of any prime. Find <math> \lfloor m+\sqrt{n}\rfloor. </math> (The notation <math> \lfloor x\rfloor </math> denotes the greatest integer that is less t
  7 KB (1,173 words) - 03:31, 4 January 2023
• 2006 AIME I Problems/Problem 4
  ...ath> be the number of consecutive <math>0</math>'s at the right end of the decimal representation of the product <math> 1!2!3!4!\cdots99!100!. </math> Find th A number in decimal notation ends in a zero for each power of ten which divides it. Thus, we need to co
  2 KB (278 words) - 08:33, 4 November 2022
• 2004 AIME I Problems
  An integer is called snakelike if its decimal representation <math> a_1a_2a_3\cdots a_k </math> satisfies <math> a_i<a_{i ...math> are relatively prime positive integers, find <math> m+n. </math> The notation <math> \left \lfloor{z}\right \rfloor</math> denotes the greatest integer t
  9 KB (1,434 words) - 13:34, 29 December 2021
• 2003 AIME I Problems
  ...ABCD </math> is 640. Find <math> \lfloor 1000 \cos A \rfloor. </math> (The notation <math> \lfloor x \rfloor </math> means the greatest integer that is less th The decimal representation of <math> m/n, </math> where <math> m </math> and <math> n <
  6 KB (965 words) - 16:36, 8 September 2019
• Base numbers/Conversion
  ...4201_5</math> mean? Just like base 10, the first digit to the left of the decimal place tells us how many <math>5^0</math>'s we have, the second tells us how ...st <math>13^{3}</math>. Remember that we aren't doing this in our regular decimal system, so <math>13^3\neq 2197</math>. Instead, we have to compute <math>1
  7 KB (1,177 words) - 15:56, 18 April 2020
• 2007 AMC 12A Problems/Problem 22
  For the sake of notation, let <math>T(n) = n + S(n) + S(S(n))</math>. Obviously <math>n<2007</math>. ...t and the ones digit of <math>S(n)</math>. The tens digit in the form of a decimal is
  15 KB (2,558 words) - 19:33, 4 February 2024
• 2001 IMO Shortlist Problems/N1
  ...ch that, for <math>k = 1,2,\ldots,9</math>, the leftmost digit (in decimal notation) of <math>(n + k)!</math> equals <math>k</math>.
  3 KB (440 words) - 08:14, 1 April 2022
• 1968 IMO Problems
  ...l numbers <math>x</math> such that the product of their digits (in decimal notation) is equal to <math>x^2 - 10x - 22</math>.
  2 KB (395 words) - 13:24, 29 January 2021
• 1975 IMO Problems
  ...<math>B</math>. (<math>A</math> and <math>B</math> are written in decimal notation.)
  2 KB (416 words) - 16:06, 29 January 2021
• Floating point number
  ...s a series of significant digits, and an exponent (similar to [[scientific notation]]). However, unlike how humans write numbers, computers store numbers in [ ...ly 64 bits for Python), which limits their precision to typically about 16 decimal digits. Because the computer has a limited space to store a number it must
  2 KB (313 words) - 16:16, 31 July 2020
• 1985 AHSME Problems
  ...d</math> is evaluated in such a language, the result in ordinary algebraic notation would be ...ular to <math>DB</math>. The area of <math>ABCD</math>, rounded to the one decimal place, is
  17 KB (2,488 words) - 03:26, 20 March 2024
• Alcumus
  Scientific notation should be entered as x*10^y. Probabilities, decimal values, and ratios should always be expressed as simplified common fraction
  3 KB (533 words) - 10:55, 7 February 2023
• 1968 IMO Problems/Problem 2
  ...l numbers <math>x</math> such that the product of their digits (in decimal notation) is equal to <math>x^2 - 10x - 22</math>. Let the decimal expansion of <math>x</math> be <math>\overline{d_1d_2d_3\dots d_n}</math>,
  3 KB (556 words) - 23:51, 6 December 2022
• 1975 IMO Problems/Problem 4
  ...<math>B</math>. (<math>A</math> and <math>B</math> are written in decimal notation.)
  2 KB (273 words) - 09:45, 24 April 2024
• 1960 AHSME Problems
  The number whose description in the decimal system is <math>69</math>, when described in the base <math>5</math> system ...f <math>a</math> is negative,<math>0</math> if <math>a</math> is zero. The notation <math>1<a<2</math> means that a can have any value between <math>1</math> a
  21 KB (3,242 words) - 21:27, 30 December 2020
• 2002 Pan African MO Problems
  ...ger <math>k>0</math> such that <math>2^nk</math> can be written in decimal notation using only digits 1 and 2.
  2 KB (329 words) - 13:53, 4 December 2019
• 2002 Pan African MO Problems/Problem 3
  ...ger <math>k>0</math> such that <math>2^nk</math> can be written in decimal notation using only digits 1 and 2. ...e integer <math>k</math> where <math>2^nk</math> can be written in decimal notation using only digits 1 and 2.
  2 KB (257 words) - 13:52, 24 December 2019
• 2019 Mock AMC 10B Problems/Problem 4
  ...e, 3200=40√2(r). R would equal 3200/40√2, or 40√2. 40√2 in decimal notation would be approximately 28.28, giving a final answer of (C), 28.
  415 bytes (64 words) - 23:13, 27 January 2020
• 2020 AMC 10B Problems/Problem 12
  ...more digits. How many zeros are in that initial string of zeros after the decimal point? ...oxed{\textbf{(D) } \text{26}}</math> zeros in the initial string after the decimal point. -PCChess
  6 KB (918 words) - 19:09, 22 June 2023

View (previous 20 | next 20) (20 | 50 | 100 | 250 | 500)