an elm tree is 3 1/2 times as tall as an apple tree. the apple tree is 10 2/3 feet tall. how tall is the elm tree?

The lengths of nails produced in a factory are normally distributed with a mean of 4.91 centimeters and a standard deviation of 0.05 centimeters. find the two lengths that separate the top 4% and the bottom 4%. these lengths could serve as limits used to identify which nails should be rejected. round your answer to the nearest hundredth, if necessary.