To simplify the expression \(48 \times 40 \times \frac{1}{2} \times 4 \times 4\), we can follow the order of operations:
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Start with \(48 \times 40\): \[ 48 \times 40 = 1920 \]
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Next, multiply by \(\frac{1}{2}\): \[ 1920 \times \frac{1}{2} = 960 \]
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Now, multiply by \(4\): \[ 960 \times 4 = 3840 \]
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Finally, multiply by \(4\) again: \[ 3840 \times 4 = 15360 \]
Thus, the final result of the expression is: \[ \boxed{15360} \]