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Posted by on Saturday, August 3, 2013 at 3:44pm.

How many 5-digit even numbers can be made using the digits 2, 4, 6, 7, and 8, if digits cannot be repeated?

  • math - , Saturday, August 3, 2013 at 3:46pm

    none. You only show 4 even digits.

  • math - , Saturday, August 3, 2013 at 4:04pm

    there is 5 digits, you count wrong.

  • math - , Saturday, August 3, 2013 at 4:08pm

    Vincent -- you don't read very carefully. Steve said that you only show 4 even digits.

  • math - , Saturday, August 3, 2013 at 4:11pm

    Actually, I was in error in my answer. Only the last digit has to be even!!

    So, there are

    4*4*3*2*1 = 96 choices.

    Sorry, my bad.

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