What is the value of the expression below?

Which of those sequences is a geometric sequence

100 points, hi, i’m not sure how to get the equation from the graph and table.

The weight of full–grown tomatoes at a farm is modeled by a normal distribution with a standard deviation of 18.4 grams. the 95 percent confidence interval for the mean weight of the tomatoes is calculated using a sample of 100 tomatoes. what is the margin of error (half the width of the confidence interval)?