Exponentiation
Exponentiation is a mathematical operation , written as b n , involving two numbers, the base b and the exponent 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: bn=b× ⋯ ×b ⏟ n{\displaystyle b^{n}=\underbrace {b\times \cdots \times b} _{n}} 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 n-th power , b raised to the power of n , or the n-th power of b . When n is a positive integer and b is not zero, b − n is naturally defined as 1/ b n , preserving the property b n × b m = b n + m . With exponent −1, b −1 is equal to 1/ b , and is the ...