Exponentiation
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In mathematics, exponentiation is the name for the operation also called raising to a power. In simple cases, it refers to repeated multiplication. It is indicated by a superscript, a small number or expression written above the line:
- 26, "two to the sixth power," 2·2·2·2·2·2 = 64
- x4, "x to the fourth power," x·x×x×x
- yn, "y to the n-th power," y·y·y· ... ·y, where y appears n times.