document.write( "Question 450380: Candace says you can write any whole number as the sum of powers of two and only use each power once. Is she correct? Try writing 29 As the sum of powers of two. Then choose two other whole numbers and do the same. Explain your thinking. \n" ); document.write( "
Algebra.Com's Answer #309798 by Alan3354(69443) You can put this solution on YOUR website! She's correct. That's binary representation of numbers. \n" ); document.write( "29 = 16 + 8 + 4 + 1 \n" ); document.write( "In binary, it's 11101. \n" ); document.write( "-------------- \n" ); document.write( "13 = 1101 binary \n" ); document.write( "31 = 11111 binary \n" ); document.write( "32 = 100000 \n" ); document.write( "------------ \n" ); document.write( "Also 3.5 = 11.1 binary \n" ); document.write( "Not just integers can be binary. \n" ); document.write( " |