Probability/Combinations Question

AndrewJames

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Joined
Oct 21, 2021
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Can someone please help me understand this question?

The password for a website requires it to be 6 characters long, and the character can be either a number or a letter. How many different combinations of passwords are possible?

The answer should be 2,176,782,336
 
If there’s no difference between capital and regular letters it’s just 36^6
 
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