Evaluate
10\sqrt{9970}\approx 998.498873309
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10\sqrt{9970}
Factor 997000=10^{2}\times 9970. Rewrite the square root of the product \sqrt{10^{2}\times 9970} as the product of square roots \sqrt{10^{2}}\sqrt{9970}. Take the square root of 10^{2}.
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