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32.3 8.12 141.6 44.43 1957 2 706 000 145 000 57 000 88 000 53.6 21.1 32.5 8.14 138.1 45.16 1958 2 793 000 148 000 57 000 91 000 53.0 20.5 32.6 8.16 134.5 45.86 1959 2 881 000 151 000 57 000 94 000 52.4 19.8 32.6 8.18 131.1 46.62 1960 2 966 000 154 000 57 000 97 000 51.7 19.2 32.5 8.19 128.1 47.18
The number π (/ p aɪ / ⓘ; spelled out as "pi") is a mathematical constant, approximately equal to 3.14159, that is the ratio of a circle's circumference to its diameter.It appears in many formulae across mathematics and physics, and some of these formulae are commonly used for defining π, to avoid relying on the definition of the length of a curve.
Between 2009 and 2017 the Greek government debt rose from €300 bn to €318 bn, i.e. by only about 6% (thanks, in part, to the 2012 debt restructuring); [34] [119] however, during the same period, the critical debt-to-GDP ratio shot up from 127% to 179% [34] basically due to the severe GDP drop during the handling of the crisis.
The sex ratio of the population is 104.66%, and the proportion of elderly people aged 65 and above is 14.12%. Compared with the Sixth National Census, there was an increase of 979,000 people in ten years, an increase of 9.75%, with an average annual growth rate of 0.93%, which is higher than that of the whole province and the whole country by 0 ...
This resulted in increased pupil-to-teacher ratios in K-12 public schools in California. Professor Betts observed in 2010 that "pupil-teacher ratios start to skyrocket in the years immediately after 1978, and a huge gap opens up between pupil-teacher ratios here and in the rest of the country, and we still haven't recovered from that." [69]
In 2012 Google and Samsung introduced the first version of the Chromebox, a small-form-factor desktop equivalent to the Chromebook. By 2013, Chromebooks had captured 20–25% of the sub-$300 US laptop market. [75] By 2014, Google launched App Runtime for Chrome (ARC), which allowed certain Android apps to be run, it was no longer a thin client ...
The maximum possible current density of copper in open air is approximately 3.1 × 10 6 A/m 2, above which it begins to heat excessively. [17] Copper is one of a few metallic elements with a natural color other than gray or silver. [18] Pure copper is orange-red and acquires a reddish tarnish when exposed to air.
It most often begins in people over 65 years of age, although up to 10% of cases are early-onset impacting those in their 30s to mid-60s. [27] [4] It affects about 6% of people 65 years and older, [16] and women more often than men. [28] The disease is named after German psychiatrist and pathologist Alois Alzheimer, who first described it in ...