document.write( "Question 1010367: How many odd 4-digit numbers are there (repetition is allowed)? \n" ); document.write( "
Algebra.Com's Answer #625776 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! How many odd 4-digit numbers are there (repetition is allowed)? \n" ); document.write( "---- \n" ); document.write( "thousands digit:: 9 ways \n" ); document.write( "hundreds digit::: 10 ways \n" ); document.write( "tens digit:: 10 ways \n" ); document.write( "units digit must be even:: 5 ways \n" ); document.write( "----------------- \n" ); document.write( "Ans: 9*100*5 = 9*500 = 4500 \n" ); document.write( "------- \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "------ \n" ); document.write( " |