5.5: Laws of Exponents - Mathematics LibreTexts
https://math.libretexts.org/Bookshelves/Algebra/Elementary_Algebra_(Arnold)/05%3A_Polynomial_Functions/5.05%3A_Laws_of_Exponents
WebFeb 21, 2022 · If n ≠ 0, then: an = a ⋅ a ⋅ a⋯ ⋅ a ⏟ n times. That is, to calculate an, write a as a factor n times. In the case where a ≠ 0, but n = 0, then we define: a0 = 1. For example, raising a number to the fifth power requires that we repeat the number as a factor five times (see Figure 5.5.1 ).
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