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\"\"

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The expression is \"\".

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\"\"     (Commutative Property of Multiplication: \"\")

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\"\" (Associative Property of Multiplication: (a\"\"b)\"\"c = a\"\"(b\"\"c)

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\"\"              (Multiply: \"\" )

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\"\"                    (Substitution Property: \"\" )

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\"\"

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The value of the expression is 4.8.

\