What is 5,000 in scientific notation?

Which number produces a rationale number when multiplied by 1/5

Which of the following represents the range of the graph of f(x) below

What is the percentile for data value 6 in the following data set? 4 13 8 6 4 4 13 6 4 13 2 13 15 5 9 4 12 8 6 13 40 25 35 62