To multiply \( (5\sqrt{19}) \cdot (6\sqrt{2}) \), you can simply multiply the coefficients and the square roots separately.
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Multiply the coefficients: \[ 5 \cdot 6 = 30 \]
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Multiply the square roots: \[ \sqrt{19} \cdot \sqrt{2} = \sqrt{38} \]
Now, combine the results: \[ (5\sqrt{19}) \cdot (6\sqrt{2}) = 30\sqrt{38} \]
Thus, the exact answer is: \[ 30\sqrt{38} \]