Why does any non-zero number raised to zero equal one?

Powers of zero | Exponents, radicals, and scientific notation | Pre-algebra | Khan Academy · 3:21 · Video: Khan Academy · Watch at the source

In short: Explore the fundamental rules of exponents, from the predictable behavior of non-zero numbers to the mathematical mystery of zero raised to the power of zero.

This video examines the foundational properties of exponents. It establishes that any non-zero number raised to the zero power results in one, while zero raised to any positive exponent equals zero. The lesson then poses the central mathematical question: what is the value of zero raised to the zero power?

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