<PRE><B>Question 133028</B>
you have the numbers 1, 2, 3, 4, 5, 6, 7, 8, 9, and 0
You have to find the number of possible solutions for a four digit code.
numbers can be used more than once
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Choose the 1st digit: 10 ways
Choose the 2nd digit: 10 ways
Choose the 3rd digit: 10 ways
Choose the 4th digit: 10 ways
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Total number of code words = 10^4 = 10,000
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Cheers,
Stan H.</PRE>