Geometry ? plz i beg of *pic inside*

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.

The monetary value earned for selling goods or services to customers is called a.) revenue b.) assets c.) money d.) accounting

What is the simplified form of (3.25x10^3)(7.8x10^6) written in scientific notation?