\"\" \ \

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The expression is \"\"

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\"\"                      (Replace n with 4)

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To simplify the expression following order of operations to performed:

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1.      Evaluate the expressions inside grouping symbols.

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2.      Evaluate powers.

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3.      Multiply and/or Divide in order from left to right.

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4.      Add and/or Subtract in order from left to right.

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\"\" \ \

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In the given expression there are no grouping symbols and powers.

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First operation is Multiplication.

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\"\"            (Multiply: \"\")

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Next operation is Division.

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

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Next operation is Addition.

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\"\"                            (Add: \"\")\"\" \ \

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The value of the expression is \"\".