Question 1173531
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<pre>

    8*7*6*5*4 = 6720  different  5-digit numbers.    <U>ANSWER</U>
</pre>

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It is of the same type problem as another one (a TWIN) solved under this link


<A HREF=https://www.algebra.com/algebra/homework/Permutations/Permutations.faq.question.1173428.html>https://www.algebra.com/algebra/homework/Permutations/Permutations.faq.question.1173428.html</A>


https://www.algebra.com/algebra/homework/Permutations/Permutations.faq.question.1173428.html



The same mantra works.