What is 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.

Determine the difference: 3.2 × 1010 – 1.1 × 1010. write your answer in scientific notation.

Combine the information in the problem and the chart using the average balance method to solve the problem.