$\"\"$

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The expression is $\"\"$

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The base is 4.

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The exponent is 4.

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$\"\"$ \ \

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$\"\"$ means 4 is a factor of 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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$\"\"$

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The value of the expression is 256.

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