Evaluate
8000\sqrt{30}\approx 43817.804600413
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2\sqrt{4000000\times 120}
Multiply 4000 and 1000 to get 4000000.
2\sqrt{480000000}
Multiply 4000000 and 120 to get 480000000.
2\times 4000\sqrt{30}
Factor 480000000=4000^{2}\times 30. Rewrite the square root of the product \sqrt{4000^{2}\times 30} as the product of square roots \sqrt{4000^{2}}\sqrt{30}. Take the square root of 4000^{2}.
8000\sqrt{30}
Multiply 2 and 4000 to get 8000.
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