Find the value of x.

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.

Could somebody me with this radical simplification?

Hi if you want to play a sports related kahoot go to kahoot.it and type in this code: 659344