A security system requires a five-digit passcode where each digit can be any number from 1 to 9. How many possible passcodes can there be?

Question

anonymous · Answer

10,000 possible combinations.

anonymous · Answer

Assuming repetitions are allowed, and there are no other restrictions, you have $9\times9\times9\times9\times9=9^5$ combinations.

anonymous · Answer

@SithsAndGiggles I don't believe there are 59,049 combinations.

anonymous · Answer

I do. How'd you get 10,000?

anonymous · Answer

@SithsAndGiggles is correct, there are 59,049 possible combinations.

anonymous · Answer

@SithsAndGiggles Please see the attached photo.

anonymous · Answer

i agree thanks guys I dont know how to give medals

anonymous · Answer

That's not the same problem @~Chance~. Here we have 9 possible digits (1-9) and 5 slots for these digits.

anonymous · Answer

@SithsAndGiggles Thanks. Your right.
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