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What is the units digit of 1!*3!*5!*7!*9!*11! ?

 Jul 7, 2022
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To see why....note that    5!  ends with a 0......so.....multiplying this  by any other non-zero units digit(s)  will  always produce a "0"

 

 

cool cool cool

 Jul 7, 2022

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