Question

How many arrangements confirmation numbers does the credit card company have if they are 5 digits long and numbers can be repeated?

Answer 1

Given  : confirmation numbers   credit card company offer

5 digits long and numbers can be repeated  

To Find : How many arrangements possible

Solution:

5 digits long and numbers can be repeated  

Hence Each digit can be in 10 ways

so 10 * 10 * 10  * 10 * 10

= 100000

100000  arrangements confirmation numbers  credit card company have if they are 5 digits long and numbers can be repeated

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