SOLUTION: How many 3-digit codes using the digits 0 through 9 are possible if repetitions are allowed. Is it 504, 729, 30, 1000. Can you show me how to work this out? Thank you, Ellen

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Question 149031: How many 3-digit codes using the digits 0 through 9 are possible if repetitions are allowed. Is it 504, 729, 30, 1000. Can you show me how to work this out?
Thank you,
Ellen

Answer by stanbon(75887)   (Show Source): You can put this solution on YOUR website!
How many 3-digit codes using the digits 0 through 9 are possible if repetitions are allowed. Is it 504, 729, 30, 1000.
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1st digit in 10 ways
2nd digit in 10 ways
3rd digit in 10 ways
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Total number of ways = 10^3 = 1000
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Cheers,
Stan H.

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