What is the answer for number one and possibly number two please
Accepted Solution
A:
1. Answer: 24Step-by-step explanation:There are 4 cities to choose from. After visiting the 1st city, there are only 3 cities to choose from, etc (see below).1st city and 2nd city and 3rd city and 4th city 4 x 3 x 2 x 1 = 242. Answer: 30,240Step-by-step explanation:There are 10 digits to choose from. After choosing the first digit, there are only 9 digits to choose from (because you can't have duplicate digits in the combination) (see below).1st digit and 2nd digit and 3rd digit and 4th digit and 5th digit 10 x 9 x 8 x 7 x 6 = 30,240