What is 4 1/2 times 2

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.

Use the graph of the sine function y=2sinθ shown below

Define multiplicative inverse. give an example of a number and its multiplicative inverse.