SOLUTION: how many 5- digit numbers can be formed (using 0-9)?
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Question 570067: how many 5- digit numbers can be formed (using 0-9)?
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
how many 5- digit numbers can be formed (using 0-9)?
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1st digit cannot be 0, so 9 ways
Each other digit, 10 ways
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total number: 9*10^4 = 90000
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Cheers,
Stan H.
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