Evaluate
1125\sqrt{5}\approx 2515.576474687
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\sqrt{81\times 5^{7}}
Calculate 3 to the power of 4 and get 81.
\sqrt{81\times 78125}
Calculate 5 to the power of 7 and get 78125.
\sqrt{6328125}
Multiply 81 and 78125 to get 6328125.
1125\sqrt{5}
Factor 6328125=1125^{2}\times 5. Rewrite the square root of the product \sqrt{1125^{2}\times 5} as the product of square roots \sqrt{1125^{2}}\sqrt{5}. Take the square root of 1125^{2}.
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