SOLUTION: When the multiplication 4073625981 x 999999999 is performed, what is the only digit that does not appear in the product?

Question 1151087: When the multiplication 4073625981 x 999999999 is performed, what is the only digit that does not appear in the product?
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
When the multiplication 4073625981 x 999999999 is performed, what is the only digit that does not appear in the product?
====================
4073625981*999999999 = 1,000,000,000*4073625981 - 4073625981

= 4,073,625,981,000,000,000
            - 4,073,625,981
---------------------------
= 4,073,625,976,926,374,019

No 8.
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