Question 595797
The access code for a car's security system consists of four digits. The first digit cannot be 5 and the last digit must be even or zero. How many different codes are available?
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Pattern: DDDD
1st: 9 ways
2nd: 10 ways
3rd: 10 ways
4th: 5 ways
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Total codes: 9*5*100 = 4500
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Cheers,
Stan H.
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