\"\"

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The expression is \"\" 

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\"\"              (Substitute \"\")

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\"\"

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Apply the order of operations (PEDMAS).

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Since there are no parenthesis, first operation is evaluating power.

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\"\"              (Evaluate power: \"\")

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Next operation is multiplication. 

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\"\"                     (Multiply: \"\")

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\"\"                          (Multiply: \"\")

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Next operation is subtraction.

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\"\"                                   (Subtract: \"\" and \"\") 

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Next operation is division.

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\"\"                                        (Divide: \"\")

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\"\"

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The value of the expression is 1.6. \ \