Physical Constants Quantity or phenomenon Symbol SI unit value Alternate unit value astronomical unit AU 1.4959787 x 1011 meters 1.4959787 x 108 kilometers atomic mass unit amu 1.67377 x 10-27 kilogram 1.67377 x 10-24 gram Avogadro constant N, L 6.022169 x 1023 6.022169 x 1023 Bohr magneton µB 9.274 x 10-24 joule per tesla 9.274 … Ler mais
The term significant figures refers to the number of important single digits (0 through 9 inclusive) in the coefficient of an expression in scientific notation . The number of significant figures in an expression indicates the confidence or precision with which an engineer or scientist states a quantity. The table shows several examples of numbers … Ler mais
The factorial, symbolized by an exclamation mark (!), is a quantity defined for all integer s greater than or equal to 0. For an integer n greater than or equal to 1, the factorial is the product of all integers less than or equal to n but greater than or equal to 1. The factorial … Ler mais
Decimal is a term that describes the base-10 number system, probably the most commonly used number system. The decimal number system consists of ten single- digit numbers: 0, 1, 2, 3, 4, 5, 6, 7, 8, and 9. The number after 9 is 10. The number after 19 is 20 and so forth. Additional powers … Ler mais
P>Predictive technology is a body of tools capable of discovering and analyzing patterns in data so that past behavior can be used to forecast likely future behavior. Tecnologias preditivas, que incluem mineração de dados, redes neurais e modelagem e simulação de sistemas, têm sido aplicadas ao estudo de sistemas meteorológicos, padrões de tráfego, mercados de … Ler mais
The double factorial, symbolized by two exclamation marks (!!), is a quantity defined for all integer s greater than or equal to -1. For an even integer n , the double factorial is the product of all even integers less than or equal to n but greater than or equal to 2. For an odd … Ler mais
This table shows the stated data rates for the most important end-user and backbone transmission technologies. Technology Speed Physical Medium Application GSM mobile telephone service 9.6 to 14.4 Kbps RF in space (wireless) Mobile telephone for business and personal use High-Speed Circuit-Switched Data service (HSCSD) Up to 56 Kbps RF in space (wireless) Mobile telephone … Ler mais