In Part 1, she has a choice of 4 answers for each of the 3 questions.How many ways can a student mark her answer sheet for a multiple-choice test
if the first 3 questions have four choices for each question,
and the following 5 questions have three choices for each question
and only one choice is selected for each question?
. . She can mark Part 1 in: . ways.
In Part 2, she has a choice of 3 answers for each of the 5 questions.
. . She can mark Part 2 in: . ways.
Therefore, she can mark the test in: . ways.
A Superfecta is a four-horse bet, where one must pick the first, second,
third and fourth place horses in the exact order in which they finish.
In an six-horse race, how many Superfecta bets are possible?
Therefore, there are: . possible Superfecta bets.