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Unit fractions can also be expressed using negative exponents, as in 2 −1, which represents 1/2, and 2 −2, which represents 1/(2 2) or 1/4. A dyadic fraction is a common fraction in which the denominator is a power of two , e.g. 1 / 8 = 1 / 2 3 .
However the titles of bonds issued by governments and other issuers use the fractional form, e.g. "3 + 1 ⁄ 2 % Unsecured Loan Stock 2032 Series 2". (When interest rates are very low, the number 0 is included if the interest rate is less than 1%, e.g. "0 + 3 ⁄ 4 % Treasury Stock", not "3 ⁄ 4 % Treasury Stock".) It is also widely accepted ...
40 (forty) is the natural number following 39 and preceding 41. Though the word is related to four (4), the spelling forty replaced fourty during the 17th century [ 1 ] [ 2 ] and is now the standard form.
Numbers indicate the number of electoral votes allotted to each state. ... It was the second time in which the winner was the same both times, ... 56%: 40% - 4% 16 ...
A survey cited by the National Association of Realtors (NAR) on Friday found 56% of potential buyers are holding out for rates between 5.5% and 5.75% before making a purchase.
if the last digit of a number is 2 or 8, its square ends in an even digit followed by a 4; if the last digit of a number is 3 or 7, its square ends in an even digit followed by a 9; if the last digit of a number is 4 or 6, its square ends in an odd digit followed by a 6; and; if the last digit of a number is 5, its square ends in 25.
For example, π(10) = 4 because there are four prime numbers (2, 3, 5 and 7) less than or equal to 10. The prime number theorem then states that x / ln(x) is a good approximation to π(x), in the sense that the limit of the quotient of the two functions π(x) and x / ln(x) as x approaches infinity is 1:
The idea becomes clearer by considering the general series 1 − 2x + 3x 2 − 4x 3 + 5x 4 − 6x 5 + &c. that arises while expanding the expression 1 ⁄ (1+x) 2, which this series is indeed equal to after we set x = 1.