Represents a form in which a number is promoted many times, for example, from one promotion n times to one.

Or an is the n power of a.

Powera is called the base of power, and n is called the exponent of power. In a broad sense, the exponent n can also be a fraction, a negative number or any real number or complex number.

In mathematics, the number in the form of x is called the x power of a, or power for short.