Exact result
10,000,000,000
10 choices for 10 ordered positions gives 10,000,000,000.
Each of the 10 PIN positions has 10 choices. PINs like 1234567890 and 0987654321 are different, and repeated digits like 0000000000 are allowed, so the total is 10^10.
Worked steps
Show your work
- Inputs: n = 10, r = 10
- Formula: n^r
- Substitute: 10^10
- Steps: multiply 10 by itself 10 times
- Result: 10 choices for 10 ordered positions gives 10,000,000,000.
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Each of the 10 PIN positions has 10 choices. PINs like 1234567890 and 0987654321 are different, and repeated digits like 0000000000 are allowed, so the total is 10^10.
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