Posted by **PRIDE** on Wednesday, February 27, 2008 at 7:21pm.

All the even numbers from 2 to 98 inclusive, except those ending in

0, are multiplied together. What is the rightmost digit, that is,

the units digit of the product?

- Algebra -
**drwls**, Wednesday, February 27, 2008 at 7:30pm
2*4*6*8 = 384, and that last digit "4" will be the last digit of each group of _2,_4,_6,_8 that gets multiplied. After multiplying 10 numbers that end in 4, the last number will be the same as the last digit of 4^10, which is 6.

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