How do you find the sqaure root of 3

What is the value with a place of tenths in 907.456 1) 0 2) 6 3) 4 4) 5

The number of nails of a given length is normally distributed with a mean length of 5.00 in, and a standard deviation of 0.03 in. find the number of nails in a bag of 120 that are less than 4.94 in. long.

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