Final answer:
To simplify the expression (4²) 4, substitute the value of 4² and then multiply by 4.
Step-by-step explanation:
To simplify the expression (4²) 4, we first calculate the value of 4², which is 16. Next, we substitute this value back into the expression to get 16 4. Finally, we multiply 16 by 4 to get the final result, which is 64.
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