The answer is: [A]: " 1 " .
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Since anything raised to the "0" exponent is equal to "one (1)" .
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The exception is that "0" raised to the "0" is "undefined".
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So, the correct answer is: [A]: " 1 " .
{assuming that "x ≠ 0, y ≠ 0, and z ≠ 0} . At any rate, Choice [A]: "1" ; is the BEST answer among the answer choices given; and as such, the CORRECT answer.}.
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