How many different 5 digit PIN codes are there that only include the digits 4,5,6,7,8 and 9 If each of those digits is only allowed to be used once?

Given:

Digits are 4,5,6,7,8 and 9.

To find:

The number of ways to form a 5 digit pin using the given digits.

Solution:

We have,

Total number of given digits = 6

Number of required digits to form a 5 digit pin = 5

Number of ways to arrange 5 digits from 6 digits is

Therefore, the number of ways to form a 5 digit pin using the given digits is 720.

the number of ways to form a 5 digit pin using the given digits is 720

Step-by-step explanation:

y=1/4x-4

step-by-step explanation:

combine all like terms then its just a 2 step equation