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A pie chart showing the percentage by web browser visiting Wikimedia sites (April 2009 to 2012). In mathematics, a percentage (from Latin per centum 'by a hundred') is a number or ratio expressed as a fraction of 100.
A percentage point or percent point is the unit for the arithmetic difference between two percentages.For example, moving up from 40 percent to 44 percent is an increase of 4 percentage points (although it is a 10-percent increase in the quantity being measured, if the total amount remains the same). [1]
Class 0.5 is an ANSI C12.20 accuracy class for electric meters with absolute accuracy better than ± 0.5% of the nominal full scale reading. [1] Typically, a class specifies accuracy at a number of points, with the absolute accuracy at lower values being better than the nominal "percentage of full scale" accuracy.
0.84 0.994 457 883 210: 0.9995 3.290 526 731 492: 0.95 1.644 853 626 951: 0.99995 3.890 591 886 413: 0.975 1.959963984540: 0.999995 4.417 173 413 469: 0.99 2.326 347 874 041: 0.9999995 4.891 638 475 699: 0.995
Natural uranium is made weapons-grade through isotopic enrichment. Initially only about 0.7% of it is fissile U-235, with the rest being almost entirely uranium-238 (U-238). They are separated by their differing masses. Highly enriched uranium is considered weapons-grade when it has been enriched to about 90% U-235. [citation needed]
The Guinness World Record once again lists Baldwin Street as the steepest street in the world, with a 34.8% grade (1 in 2.87) after a successful appeal [10] against the ruling that handed the title, briefly, to Ffordd Pen Llech. A number of streets elsewhere have steeper grades than those listed in the Guinness Book.
Name Location Fuel Capacity Notes Altavista Power Station: Altavista: Biomass: 51: Aria Energy Phase I & II Lorton: Natural gas 6.4 [5] Bath County Pumped Storage Station: Warm Springs: Hydroelectric - pumped-storage: 3030: Bear Garden Natural gas 559 Bellemeade Power Station [6] Richmond: Natural gas, oil 267 Decommissioned [7] Birchwood Power ...
The growing Black student population in Ivy League universities in the early 2000s was accompanied by an increase in the number of Black faculty at these institutions, though rates of change among faculty have been slower and inconsistent. In 2005, 588– or about 3.9%– of the Ivies' 14,831 full-time faculty members were Black. [166]