College Algebra / Unit 1 Alg 028 short lesson, about 20 seconds
The Zero Exponent Rule of Exponents
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The idea
The zero exponent rule of exponents states that any nonzero base raised to the zero power equals 1: a⁰ = 1.
In practice
5³ / 5³ subtracts exponents to 5⁰ — and a number divided by itself is 1. The rule keeps the quotient rule honest.
Your place on the trail
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Builds on
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