The correct answer is: [D]: " 9³ " .
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Note: " 9³ " ; or "nine to the third power"; or "9-cubed" ; is correct, because we are multiplied the number "9" by itself, "three times";
hence, the value equal to:
9*9*9" is equal to: " 9³ " ;
that is, "nine to the THIRD power" ; or:
"nine to the power of "three" ;
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which is: Answer choice: [D]: " 9³ " .
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