document.write( "Question 1162298: A license plate has three letters and two digits. How many
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document.write( "plates can you have if the first digit cannot be zero and the
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document.write( "digits cannot repeat?\r
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document.write( "Think I've got it but am not sure Here's my Work\r
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document.write( "License plates = 3Letters, 2 Digits, 1st Digit can't be 0, Digits no Repeats
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document.write( "Each Letter(L)has 26 possible options so first set this up L(26)L(26)L(26)
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document.write( "Now Digits (D)
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document.write( "1st Digit (D) cannot be 0 which leaves (9) options
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document.write( "2nd Digit (D) no repeats allowed but could be 0 which brings back to (9) options
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document.write( "Problem now looks line L(26)L(26)L(26) D(9)D(9)
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document.write( "I multiply out 26x26x26x9x9= 1,423,656 possible combinations
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document.write( "Is this correct?
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Algebra.Com's Answer #786077 by ikleyn(52805)![]() ![]() You can put this solution on YOUR website! .\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Correct (!)\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Nice job (!)\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "My congrats (!) (!)\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "-------------\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "As a bonus to you, I attach the list of lessons on Permutations and Combinations at this forum for your reading\r \n" ); document.write( "\n" ); document.write( " - Introduction to Permutations\r \n" ); document.write( "\n" ); document.write( " - PROOF of the formula on the number of Permutations\r \n" ); document.write( "\n" ); document.write( " - Simple and simplest problems on permutations\r \n" ); document.write( "\n" ); document.write( " - Special type permutations problems \r \n" ); document.write( "\n" ); document.write( " - Problems on Permutations with restrictions \r \n" ); document.write( "\n" ); document.write( " - Math circle level problem on Permutations \r \n" ); document.write( "\n" ); document.write( " - Introduction to Combinations\r \n" ); document.write( "\n" ); document.write( " - PROOF of the formula on the number of Combinations\r \n" ); document.write( "\n" ); document.write( " - Problems on Combinations\r \n" ); document.write( "\n" ); document.write( " - Problems on Combinations with restrictions \r \n" ); document.write( "\n" ); document.write( " - Math circle level problem on Combinations \r \n" ); document.write( "\n" ); document.write( " - Arranging elements of sets containing indistinguishable elements \r \n" ); document.write( "\n" ); document.write( " - Persons sitting around a circular table \r \n" ); document.write( "\n" ); document.write( " - Combinatoric problems for entities other than permutations and combinations \r \n" ); document.write( "\n" ); document.write( " - Fundamental counting principle problems \r \n" ); document.write( "\n" ); document.write( " - Miscellaneous problems on permutations, combinations and other combinatoric entities \r \n" ); document.write( "\n" ); document.write( " - Nice recreational problems on permutations \r \n" ); document.write( "\n" ); document.write( " - OVERVIEW of lessons on Permutations and Combinations\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Also, you have this free of charge online textbook in ALGEBRA-II in this site\r \n" ); document.write( "\n" ); document.write( " - ALGEBRA-II - YOUR ONLINE TEXTBOOK.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "The referred lessons are the part of this online textbook under the topic \"Combinatorics: Combinations and permutations\". \r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Save the link to this textbook together with its description\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Free of charge online textbook in ALGEBRA-II \n" ); document.write( "https://www.algebra.com/algebra/homework/complex/ALGEBRA-II-YOUR-ONLINE-TEXTBOOK.lesson\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "into your archive and use when it is needed.\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |