Question

NEED HELP!!! 80 POINTS! (sike)

At the airport, ten people are waiting on standby. Two seats become available, one first class and one coach. How many ways are there to fill the two seats?

A. 10
B. 20
C. 45
D. 90

Answer 1

d. 90

Explanation:

Answer 2

1st seat there are 10 people so 10 different ways to fill it

2nd set there are 9 people left so 9 different ways to fill it

10 x 9 = 90

there are 90 ways to fill the seats