document.write( "Question 520572: How many bit strings of length 9 either begin with 2 bit(s) equal to 0 or end with 3 bit(s) equal to 1? \n" ); document.write( "
Algebra.Com's Answer #346117 by edjones(8007)\"\" \"About 
You can put this solution on YOUR website!
00xxxxxxx or xxxxxx111 or both
\n" ); document.write( "(1/2)^2 + (1/2)^3 = 3/8
\n" ); document.write( ".
\n" ); document.write( "Ed
\n" ); document.write( "
\n" );