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One part per hundred thousand, per cent mille (pcm) or milli-percent denotes one part per 100,000 (10 5) parts, and a value of 10 −5. It is commonly used in epidemiology for mortality, crime and disease prevalence rates, and nuclear reactor engineering as a unit of reactivity.
The phrase per mille (from Latin per mīlle 'in each thousand') [1] indicates parts per thousand. [2] The associated symbol is ‰, similar to a per cent sign % but with an extra zero in the divisor. Major dictionaries do not agree on the spelling, [1] [2] [3] giving other options of per mil, [2] per mill, [1] [3] permil, [1] [4] permill, [1 ...
Parts per trillion - just a stub--NHSavage 08:38, 14 August 2005 (UTC) Yes, the mentioned pp- stubs should be redirected to a parts per notation page with a good explanation. Duplication of the relevant material in concentration rather than a move of that info would be in order.
Traditional American usage (which was also adapted from French usage but at a later date), Canadian, and modern British usage assign new names for each power of one thousand (the short scale). Thus, a billion is 1000 × 1000 2 = 10 9; a trillion is 1000 × 1000 3 = 10 12; and so forth.
Jeff Bezos, Elon Musk say human population not nearly big enough: ‘If we had a trillion humans, we would have at any given time a thousand Mozarts’ Steve Mollman December 16, 2023 at 9:01 AM
The Congressional Budget Office estimated on Tuesday a U.S. federal deficit of $1.834 trillion for fiscal 2024, the highest in the post-COVID era, as debt interest costs jumped sharply and outlays ...
1 volume percent = 10,000 ppmv (i.e., parts per million by volume) with a million being defined as 10 6. Care must be taken with the concentrations expressed as ppbv to differentiate between the British billion which is 10 12 and the USA billion which is 10 9 (also referred to as the long scale and short scale billion, respectively).
NEW YORK (Reuters) - In the days since Luigi Mangione was charged with murder for gunning down a top health insurance executive, more than a thousand donations have poured into an online ...