document.write( "Question 162582: can someone help please\r
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document.write( "How many 3-digit numbers can be formed using the digits 0, 1, 2, 3, 4, 5, 6 if repetition of digits is not allowed?\r
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document.write( "a. 210
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document.write( "b. 5
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document.write( "c. 6
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document.write( "d. 343 \n" );
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Algebra.Com's Answer #119874 by SAT Math Tutor(36)![]() ![]() ![]() You can put this solution on YOUR website! You just need to use the permutations formula. You have a total of 7 digits and you are choosing 3 of these. If you have a TI calculator you can enter 7 nPr 3 or use this formula:\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |