Which digits repeat in the decimal number 28.1543?
1543
543
3
43

Which equation represents the partial sum of the geometric series?

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.

Just tell me how to set up the equation.