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1 in 1 744 278: Every 4776 years (once in recorded history) μ ± 5.5σ: 0.999 999 962 020 875: 3.798 × 10 −8 = 37.98 ppb: 1 in 26 330 254: Every 72 090 years (thrice in history of modern humankind) μ ± 6σ: 0.999 999 998 026 825: 1.973 × 10 −9 = 1.973 ppb: 1 in 506 797 346: Every 1.38 million years (twice in history of humankind) μ ± ...
The purity of a gas is generally expressed as a grade prefixed with the letter N (rather than postfixed), indicating the "number of nines" in the percentage or decimal fraction. For example, a N2.0 gas is 99% (two nines) pure and 1% impurities by volume; a N6.0 gas is 99.9999% (six nines) pure, with 1 part per million (1 ppm or 1 vpm, volume ...
Median household wealth dropped by 36.1% compared to a drop of only 11.1% for the top 1%, further widening the gap. [ 44 ] [ 45 ] [ 46 ] During the economic expansion between 2002 and 2007, the income of the top 1% had grown 10 times faster than the income of the bottom 90% and 66% of total income gains went to the 1%.
95% of all users 100 edits 100 top 1% of all users top 485,000 of all users 99% of all users 500 edits 400 top 0.25% of all users (the extended confirmed) top 73,360 of all users 99.75% of all users 1,000 edits 1,000 top 0.1% of all users top 48,000 of all users 99.9% of all users 10,000 edits 4,000 top 0.025% of all users top 12,100 of all users
This is an accepted version of this page This is the latest accepted revision, reviewed on 1 January 2025. This article needs to be updated. Please help update this article to reflect recent events or newly available information. (March 2022) World map of countries shaded according to the literacy rate for all people aged 15 and over This is a list of countries by literacy rate. The global ...
Guyana 1.3% Venezuela 1.1% Colombia 1.0% Belize 1.0% Honduras 0.9% Puerto Rico 0.7% Panama 0.5% Iceland 0.5% Guadeloupe 0.4% Argentina 0.2% Guatemala 0.2% (ARDA claim) [127] [better source needed] Spiritist estimates come from a single source, which gives a relative indication of the size of the Spiritist communities within each country.
As of 2023, the combined population of all the Arab states was around 473 million people. [1] The most populous Arab state is Egypt, the North African nation with a population of 109 million residents. Comoros, the Indian Ocean nation is the least populated, with around 821,625 inhabitants. The largest city in the Arab World is Cairo, Egypt. [2 ...
[1] [2] [3] Music is generally agreed to be a cultural universal that is present in all human societies. [4] Definitions of music vary widely in substance and approach. [ 5 ] While scholars agree that music is defined by a small number of specific elements , there is no consensus as to what these necessary elements are. [ 6 ]