Question

use multiplication method to find the total number of different codes possible.given that each code is five characters long and is made up of only odd numbers without repetion

Answer 1

Given : each code is five characters long and is made up of only odd numbers without repetition

To Find :  total number of different codes possible.

Solution:

odd numbers

1 , 3 , 5 , 7 , 9

1st character can be selected in 5 ways

2nd character can be selected in 4 ways

3rd character can be selected in 3 ways

4th character can be selected in 2 ways

5th character can be selected in 1 way

total number of different codes possible.  = 5 * 4 * 3 * 2  * 1

= 120

Learn More

how many 3 letters code words are possible using the first 10 letters ...

https://brainly.in/question/15639380

A customer forgets a 4-digit code for an automatic teller machine ...

https://brainly.in/question/9425004