document.write( "Question 1010367: How many odd 4-digit numbers are there (repetition is allowed)? \n" ); document.write( "
Algebra.Com's Answer #625777 by Alan3354(69443)![]() ![]() 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( "If leading zeroes are allowed, eg 0001, there are 10000 total numbers. \n" ); document.write( "If not, it's 1000 to 9999 = 9000 and half of them are odd. \n" ); document.write( "--> 4500 \n" ); document.write( " \n" ); document.write( " |