In a healthcare facility, a nedicatiomedication cart is used to stoir and dispense medications to patients. The lock on the medication cart requires a 4-digit access code. The first digit cannot be 0 abnd the last digit can not be even. How many different access codes are possible?
Added by Melvin O.
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Since the first digit cannot be 0, it can be any of the 9 digits from 1 to 9. Therefore, there are 9 possibilities for the first digit. Show more…
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