document.write( "Question 260012: Four books can be placed in four spots on a shelf. If each book can only occupy one spot at a time, how many different arrangements of books on the shelves are possible?\r
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document.write( " (A) 8 (B) 12 (C) 16 (D) 20 (E) 24
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Algebra.Com's Answer #191521 by checkley77(12844)![]() ![]() ![]() You can put this solution on YOUR website! THE FIRST SPOT CAN HAVE ANY ONE OF THE 4 BOOKS \n" ); document.write( "THE SECOND CAN HAVE ANY ONE OF THE REMAINING 3 BOOKS \n" ); document.write( "THE THIRD SPOT CAN HAVE ONE OF THE REMAINING 2 BOOKS \n" ); document.write( "THE LAST SPOT HAS ONLY ONE BOOK AVAILABLE. \n" ); document.write( "4*3*2*1=24 DIFFERENT ARRANGEMENTS ARE POSSIBLE. \n" ); document.write( " |