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Mathematics, 23.11.2020 04:40 asteinberg6975
A reator uses a lock box to store the keys to a house that is for sale. The access code for the lock box consists of four digits. The first digt cannot be 6 and the last digit must be odd. How many different codes are available? (Note that is 0 considered an even number)
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A reator uses a lock box to store the keys to a house that is for sale. The access code for the lock...
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