The correct definition of an exponent is:
indicates how many times the base is used as a factor.
For example, in the expression \( a^n \), \( n \) is the exponent, indicating that the base \( a \) is multiplied by itself \( n \) times.
a exponent is
a mathematical expression indicating a root by means of a radical sign
a number that cannot be expressed as a ratio of two integers
a number that can be expressed as a ratio of two integers with a nonzero denominator
indicates how many times the base is used as a factor
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