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When the naira was introduced, it had an official exchange rate of US$1.52 for ₦1, though a currency black market existed in which the naira traded at a discount relative to the official exchange rate. The official exchange rate set by the Central Bank of Nigeria: naira to U.S. dollar is approximately ₦767.54 per 1 US dollar.
The Millennium Prize Problems are seven well-known complex mathematical problems selected by the Clay Mathematics Institute in 2000. The Clay Institute has pledged a US $1 million prize for the first correct solution to each problem.
In 2016, the black-market exchange rate of the Naira was about 60% above the official rate. The central bank releases about $200 million each week at the official exchange rate. However, some companies cite that budgets now include a 30% "premium" to be paid to central bank officials to get dollars. [156]
Word problem from the Līlāvatī (12th century), with its English translation and solution. In science education, a word problem is a mathematical exercise (such as in a textbook, worksheet, or exam) where significant background information on the problem is presented in ordinary language rather than in mathematical notation.
The word problem for an algebra is then to determine, given two expressions (words) involving the generators and operations, whether they represent the same element of the algebra modulo the identities. The word problems for groups and semigroups can be phrased as word problems for algebras. [1]
Following the end of the Cold War, great attention was placed on the prospects for economic conversion. Regarding differences in the 1970s and the postwar era, Seymour Melman noted that: "The problem of conversion from military to civilian work is fundamentally different now from the problem that existed after World War II. At that time, the ...
Write the amount in numbers in the box with the dollar sign. On the row beneath “Pay to the order of,” write the payment amount in words. Sign your name on the line in the bottom right.
The ten Naira note, distinguished by its orange tint, bears the likeness of Alvan Ikoku, a figure notable for his contributions to education in Nigeria.His representation on the note commemorates his pioneering efforts in establishing one of the earliest African-owned secondary schools, thus exemplifying the nation's commitment to educational development.