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

1 Answer

6 votes

√(405)=√(81\cdot5)=√(81)\cdot\sqrt5=9\sqrt5\approx9\cdot2.23606=20.12454\approx20.125
User Barjavel
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