\"\"\"\"

\

The expression is n4.

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= 74                                      (Substitute n = 7)

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Base is 7and the exponent is 4.

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74means 7 multiplied together 4 times.

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\"\"

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\"\"                 (Multiply: \"\")

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

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

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= (0.4)4                                (Substitute n = 0.4)

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Base is 0.4 and the exponent is 4.

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(0.4)4 means 0.4 multiplied together 4 times.

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\"\"

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\"\"     (Multiply: \"\")

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\"\"          (Multiply: \"\")

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

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The values of the expressions are \"\".