SOLUTION: At a company each person gets an identification number. The number contains five digits 1 through 8, inclusive. The left most digit must be 2. If repetition is allowed , how many
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Question 403146: At a company each person gets an identification number. The number contains five digits 1 through 8, inclusive. The left most digit must be 2. If repetition is allowed , how many different identifactionnumbers are possible Answer by stanbon(75887) (Show Source):
You can put this solution on YOUR website! At a company each person gets an identification number. The number contains five digits 1 through 8, inclusive. The left most digit must be 2. If repetition is allowed , how many different identifactionnumbers are possible
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1st digit (left most) : 1 way
2nd digit: 8
3rd digit: 8
4th digit: 8
5th digit: 8
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Total number of ID's: 8^4 = 4096
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Cheers,
Stan H.
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