Fool me once SHAME ON YOU1

33% of college students say they use credit cards because of the rewards program. you randomly select 10 college students and ask each to name the reason he or she uses credit cards. find the probability that the number of college students who say they use credit cards because of the rewards program is (a) exactly two, (b) more than two, and (c) between two and five inclusive. if convenient, use technology to find the probabilities.

What is the number 321,000,000 in scientific notation? also what is the number? ?

If olu is twice as old as funmi if the sum of their ages is 60 how old is olu