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  2. Percentage - Wikipedia

    en.wikipedia.org/wiki/Percentage

    To calculate a percentage of a percentage, convert both percentages to fractions of 100, or to decimals, and multiply them. For example, 50% of 40% is: ⁠ 50 / 100 ⁠ × ⁠ 40 / 100 ⁠ = 0.50 × 0.40 = 0.20 = ⁠ 20 / 100 ⁠ = 20%. It is not correct to divide by 100 and use the percent sign at the same time; it would literally imply ...

  3. Percent sign - Wikipedia

    en.wikipedia.org/wiki/Percent_sign

    The percent sign % (sometimes per cent sign in British English) is the symbol used to indicate a percentage, a number or ratio as a fraction of 100. Related signs include the permille (per thousand) sign ‰ and the permyriad (per ten thousand) sign ‱ (also known as a basis point), which indicate that a number is divided by one thousand or ten thousand, respectively.

  4. Utilization rate - Wikipedia

    en.wikipedia.org/wiki/Utilization_rate

    The first method calculates the number of billable hours divided by the number of hours recorded in a particular time period. For example, if 40 hours of time is recorded in a week but only 30 hours of that was billable, the utilization rate would then be 30 / 40 = 75%.

  5. Sexagesimal - Wikipedia

    en.wikipedia.org/wiki/Sexagesimal

    1 ⁄ 61 = 0; 0,59. The fact that the two numbers that are adjacent to sixty, 59 and 61, are both prime numbers implies that fractions that repeat with a period of one or two sexagesimal digits can only have regular number multiples of 59 or 61 as their denominators, and that other non-regular numbers have fractions that repeat with a longer ...

  6. 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 ...

  7. 100,000 - Wikipedia

    en.wikipedia.org/wiki/100,000

    100,000 (one hundred thousand) is the natural number following 99,999 and preceding 100,001. In scientific notation, ... taking 3 hours to pronounce [32] 194,481 = 21 4;

  8. Confidence interval - Wikipedia

    en.wikipedia.org/wiki/Confidence_interval

    The number , whose typical value is close to but not greater than 1, is sometimes given in the form (or as a percentage % ()), where is a small positive number, often 0.05. In many applications, confidence intervals that have exactly the required confidence level are hard to construct, but approximate intervals can be computed.

  9. Cost of electricity by source - Wikipedia

    en.wikipedia.org/wiki/Cost_of_electricity_by_source

    The levelized cost of electricity (LCOE) is a metric that attempts to compare the costs of different methods of electricity generation consistently. Though LCOE is often presented as the minimum constant price at which electricity must be sold to break even over the lifetime of the project, such a cost analysis requires assumptions about the value of various non-financial costs (environmental ...