SOLUTION: how many different numbers of 4 digits can be formed from 0,2,4,6,8 if no repitition is allowed?

SOLUTION: how many different numbers of 4 digits can be formed from 0,2,4,6,8 if no repitition is allowed?

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Question 1009830: how many different numbers of 4 digits can be formed from 0,2,4,6,8 if no repitition is allowed?
Answer by ikleyn(52780) (Show Source): You can put this solution on YOUR website!
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4*4*3 = 48.

Any of 5 numbers in the first position (hundreds) except of zero, which gives 4 options.

Any of remaining 4 digits in the second position (tens), which gives 4 options again.

Any of remaining 3 digits in the third position (ones), which gives 3 options.

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