document.write( "Question 849407: How many 3 digit numbers can be formed from the digits 1,3,5 and 7 if repetitions are allowed? \n" ); document.write( "
Algebra.Com's Answer #511526 by LinnW(1048)\"\" \"About 
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(4)(4)(4) -- four ways to fill each slot
\n" ); document.write( "So we have 64 possibilities.
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