document.write( "Question 1201690: how many 3-digit numbers can be made with the digit 1,2,3,4,5,6,7 if repetition is allowed (A) and repetition is not allowed (B)?\r
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Algebra.Com's Answer #836176 by ikleyn(52788) $\"\"$ $\"About$

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document.write( "(A)   = 7*7*7 = 343.      ANSWER\r\n" );
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document.write( "(B)  7*6*5 = 210.            ANSWER\r\n" );
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