How i get the y-intercept

Suppose sat writing scores are normally distributed with a mean of 497 and a standard deviation of 109. a university plans to award scholarships to students whose scores are in the top 2%. what is the minimum score required for the scholarship? round your answer to the nearest whole number, if necessary.

15 and 14.7 are 1 apart, so 15 – 14.7 must be 1.

What is the simplified form of square root of 400 to the 100th power ?