document.write( "Question 1111294: Five digit numbers are made using the numbers 0 to 7. Determine the number of odd numbers that can be made if each digit can only be used once. \r
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Algebra.Com's Answer #726272 by greenestamps(13200)![]() ![]() You can put this solution on YOUR website! \n" ); document.write( "In addition to the requirement that digits not be repeated, the only restriction is that the number must be odd -- that is, the units digit must be odd. \n" ); document.write( "So choose the units digit first; you have 4 choices. \n" ); document.write( "After that, you can choose the digits in any order you want. You started with 8 different digits, so you have 7 choices for the 2nd digit you choose, the 6 choices for the 3rd, and so on. \n" ); document.write( "The total number of different 5-digit numbers with the given restrictions is \n" ); document.write( "4*7*6*5*4 = 3360 \n" ); document.write( " |