Asked by car
s = sqrt { [ 9 + 1 + 1 + 9 ] / 3 } = sqrt (20 / 3) = sqrt ( 6.67 ) = 2.58
how they get the 2.58
how they get the 2.58
Answers
Answered by
Dr. Jane
By using a calculator that is the only way people take square roots. Before calculators, there was a way to figure it out by hand, but it was long, tedious and confusing.
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