document.write( "Question 365041: How many 10 digit numbers can be formed using 3 and 7 only? \n" ); document.write( "
Algebra.Com's Answer #260285 by Alan3354(69443)![]() ![]() You can put this solution on YOUR website! Each digit is 1 or 2 numbers. \n" ); document.write( "--> 2^10 = 1024 \n" ); document.write( " \n" ); document.write( " |