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Which of the following is equal to five-halves cubed?
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The expression five-halves cubed where the cube falls outside the parenthesis tells us that we need to cube both the five and the two.
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Five cubed equals five times five times five.
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Likewise, two cubed equals two times two times two.
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Five cubed equals 125.
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Two cubed equals eight.
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Five over two cubed is equal to 125 over eight.