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27-01-2017
Mathematics

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How many 3-digit passwords can be formed from the digits 0 through 9? 10 729 1,000 1,331

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Nabeelpu Nabeelpu

27-01-2017

1st digit in 10 ways
2nd digit in 10 ways
3rd digit in 10 ways
Total number of ways = 10^3 = 1000

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