document.write( "Question 1009830: how many different numbers of 4 digits can be formed from 0,2,4,6,8 if no repitition is allowed? \n" ); document.write( "
Algebra.Com's Answer #625418 by ikleyn(52778)\"\" \"About 
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\n" ); document.write( "4*4*3 = 48.\r
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\n" ); document.write( "\n" ); document.write( "Any of 5 numbers in the first position (hundreds) except of zero, which gives 4 options.\r
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\n" ); document.write( "\n" ); document.write( "Any of remaining 4 digits in the second position (tens), which gives 4 options again.\r
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\n" ); document.write( "\n" ); document.write( "Any of remaining 3 digits in the third position (ones), which gives 3 options.\r
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