michellewilliam michellewilliam

01-06-2014
Mathematics

Answered

if square root of 405 rounded to the nearest thousandth is 20.125 how do u simplify to get to that answer, thank u.

Verified Answer :

Anonymous Anonymous

06-07-2014

\(\sqrt{405}=\sqrt{81\cdot5}=\sqrt{81}\cdot\sqrt5=9\sqrt5\approx9\cdot2.23606=20.12454\approx20.125\)

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