Which function below is decaying the fastest?

Little’s law firm has just one lawyer. customers arrive randomly at an average rate of 6 per 8 hour workday. service times have a mean of 50 minutes and a standard deviation of 20 minutes. how long does a customer spend at little’s law firm on average?

Math each whole number with a rational,exponential expression

Look at this pattern ; 1,4,9, number 10000 belongs in this pattern . what’s the place of this number?