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Demographers do not universally accept this date as being exact. In fact, there has been subsequent research which places the day of six billion nearer to 18 June or 19 June 1999. [11] The International Programs division of the United States Census Bureau estimated that the world population reached six billion on 21 April 1999.
See calendar and list of calendars for other groupings of years. See history , history by period , and periodization for different organizations of historical events. For earlier time periods, see Timeline of the Big Bang , Geologic time scale , Timeline of evolution , and Logarithmic timeline.
Thus, a billion is 1000 × 1000 2 = 10 9; a trillion is 1000 × 1000 3 = 10 12; and so forth. Due to its dominance in the financial world (and by the US dollar), this was adopted for official United Nations documents. Traditional French usage has varied; in 1948, France, which had originally popularized the short scale worldwide, reverted to ...
Instead, the facility—coming with 1,000 new high-skilled jobs—opened in Singapore, the small and highly-developed Southeast Asian country of just under six million. Many major economies are ...
(10 9 days is roughly 2.738 million years.) About 10 9 months ago, dinosaurs walked the Earth during the late Cretaceous. (10 9 months is roughly 83.3 million years.) About 10 9 years—a gigaannus—ago, the first multicellular eukaryotes appeared on Earth. About 10 9 decades ago, the thin disk of the Milky Way started to form. (10 9 decades ...
The IMF now expects US GDP to expand by 2.1% this year and 1.5% in 2024 — more than double the growth rates forecast for the UK economy and well ahead of the euro area, which is predicted to ...
Two years later, as those same scientists contemplated a world in which two atomic weapons had been used in Japan, they gathered to discuss the threat to humanity posed by nuclear war.
The real part of every nontrivial zero of the Riemann zeta function is 1/2. The Riemann hypothesis is that all nontrivial zeros of the analytical continuation of the Riemann zeta function have a real part of 1 / 2 . A proof or disproof of this would have far-reaching implications in number theory, especially for the distribution of prime ...