: Mathématiques: exponentiation

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exponentiation

In mathematics, exponentiation is an operation involving two numbers: the base and the exponent or power. Exponentiation is written as $b n$ , where $b$ is the base and $n$ is the power; this is pronounced as " $b$ (raised) to the (power of) $n$ ". When $n$ is a positive integer, exponentiation corresponds to repeated multiplication of the base: that is, $b n$ is the product of multiplying $n$ bases: ${\\displaystyle b^{n}=\\underbrace {b\ imes b\ imes \\dots \ imes b\ imes b} _{n{\ ext{ times}}}.}$ The exponent is usually shown as a superscript to the right of the base. In that case, $b n$ is called "b raised to the nth power", "b (raised) to the power of n", "the nth power of b", "b to the nth power", or most briefly as "b to the n(th)".
(Wikipedia, The Free Encyclopedia, https://en.wikipedia.org/wiki/Exponentiation)

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