document.write( "Question 463979: how many bit strings of seven lowercase letters start with a vowel, if letters cannot be repeated \n" ); document.write( "
Algebra.Com's Answer #317809 by edjones(8007)\"\" \"About 
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26*25*24*23*22*21*20=3315312000 total bit strings.
\n" ); document.write( "3315312000 * 5/26 = 637560000 there are 5 vowels.
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