document.write( "Question 1199967: Consider the integers from 1,000 to 9,999 which have only odd digits.
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Algebra.Com's Answer #833956 by ikleyn(52786) $\"\"$ $\"About$

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\n" ); document.write( "Consider the integers from 1,000 to 9,999 which have only odd digits.
\n" ); document.write( "a. How many of these have all different digits?
\n" ); document.write( "b. How many $\"highlight%28cross%28have%29%29\"$ $\"highlight%28cross%28odd%29%29\"$ $\"highlight%28cross%28digits%29%29\"$ are there odd numbers with possible digit repetitions?
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\n" ); document.write( "\n" ); document.write( " So, there are 5 digits in use : 1, 3, 5, 7, and 9.\r
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document.write( "(a)  There are  5*4*3*2 = 120  different numbers, as described.     ANSWER\r\n" );
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document.write( "(b)  There are  5*5*5*5 =  = 625  different numbers, as described.          ANSWER\r\n" );
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