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# What is "e" in mathematics?

**The number "e" in mathematics is often called Euler's number, named after Swiss mathematician Leonhard Euler.** Euler originated the notation f (x) for a function, i for the square root of -1 and ? for pi.

An irrational number cannot be expressed as a simple fraction, and it has decimal places that go on forever without repeating. The number e is an irrational number with a starting value of 2.171818459045. The Euler number was first introduced by John Napier in the 1600s, who used it in his theory of the development of logarithms. Leonhard Euler, however, was the first to use the symbol "e." The Euler number is the natural base for exponential functions and logarithms. It is used in continuous compounding for loans and investments, and it is known to one trillion digits of accuracy.

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## How do you find a number's square root?

A: Find the square root by finding the number that, when multiplied by itself, gives you the root number. For root numbers that are not perfect squares, there... Full Answer >Filed Under: -
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## What are logs and exponents?

A: Exponents are numbers that indicate the number of times a function is multiplied by itself, while logs are used to determine the exponential function neede... Full Answer >Filed Under: -
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## What is the square root of 11?

A: The numerical value of the square root of 11 is approximately 3.317, although the exact number has many more decimal places. Because 11 is a prime number, ... Full Answer >Filed Under: -
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## What does a negative number in parentheses next to an exponent not in parenthesis mean?

A: A negative number in parentheses followed by an exponent indicates that the negative number is to be raised to the power indicated by the exponent. For exa... Full Answer >Filed Under: