Simplifying , , and Using the Zero Exponent
Apply the Zero Exponent rule to simplify expressions whose bases are monomials.
ⓐ : Because is nonzero (assuming ), the Zero Exponent rule applies directly to the entire enclosed product: .
ⓑ : The base includes a negative coefficient and multiple variables. We can simplify this by first applying the Product to a Power Property, , to distribute the zero exponent: . Then apply the Zero Exponent rule to each factor: . Alternatively, treating the entire expression as a single nonzero base gives directly.
ⓒ : Similarly, the base is . Applying the Product to a Power Property yields .
These examples reinforce that raising any nonzero expression to the zero power always produces , which can be shown either directly or by distributing the exponent.
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