Question

There are 10 students participating in a spelling bee. In how many ways can the students who go first and second in the bee be chosen?

Answer 1

\[C _{ 2}^{10} * 2\]

Answer 2

first item to count how many ways to choose two students
and *2beacause there are two position

Answer 3

how do i do that ??

Answer 4

Fundamental Principle of Counting
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There are 10 ways to choose the first student. Nine students remain. Ergo, there are 9 ways to choose the second student.

The number of ways to choose both students (se Fundamental Principle of Counting) is 10*9 = 90 ways.

@KeemoD143

Answer 5

dang real helpful

Answer 6

Glad to help.

Answer 7

@KeemoD143 Did you see this question you asked?
http://openstudy.com/users/keemod143#/updates/510b68a4e4b09cf125bc07b8