$\"\"$ $\"\"$

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The expression is n³.

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= 7³(Substitute n = 7)

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Base is 7and the exponent is 3.

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7³means 7 multiplied together 3 times.

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$\"\"$

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

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

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= (0.4)³(Substitute n = 0.4)

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Base is 0.4 and the exponent is 3.

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(0.4)³means 0.4 multiplied together 3 times.

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$\"\"$

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

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

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The values of the expressions are $\"\"$ .