document.write( "Question 617622: how many 4 digit numbers can be made using the digits 1,3,5,7,9 \n" ); document.write( "
Algebra.Com's Answer #388441 by stanbon(75887)\"\" \"About 
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how many 4 digit numbers can be made using the digits 1,3,5,7,9
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\n" ); document.write( "With repetition: 5^4 = 625 numbers
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\n" ); document.write( "Without repetition: 5! = 120 numbers
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\n" ); document.write( "cheers,
\n" ); document.write( "Stan H.
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