document.write( "Question 1141385: How many different ways can a chairperson and an assistant chairperson be selected for a research project if there are 7 scientists available? Which counting method do you use? \n" ); document.write( "
Algebra.Com's Answer #762007 by greenestamps(13200)![]() ![]() You can put this solution on YOUR website! \n" ); document.write( "Presumably \"chairperson\" and \"assistant chairperson\" are distinguishable positions, so order counts. Then the calculation is a permutation. \n" ); document.write( "7 choices for the chairperson, then 6 choices remaining for the assistant. \n" ); document.write( "ANSWER: 7*6 = 42 ways \n" ); document.write( " |