Evaluate
225\sqrt{5}\approx 503.115294937
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0.75\sqrt{700000-250000}
Add 300000 and 400000 to get 700000.
0.75\sqrt{450000}
Subtract 250000 from 700000 to get 450000.
0.75\times 300\sqrt{5}
Factor 450000=300^{2}\times 5. Rewrite the square root of the product \sqrt{300^{2}\times 5} as the product of square roots \sqrt{300^{2}}\sqrt{5}. Take the square root of 300^{2}.
225\sqrt{5}
Multiply 0.75 and 300 to get 225.
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