Find the last digit of the sum
0! + 2! + 4! +...+ 2010! + 2012!
Please show full steps answer.
By definition . Thus, for all numbers of the sum that are greater than (those numbers are ) the last digit is 0. Thus, it is enough to compute the sum of the following terms: . Thus, the last digit of the sum is 6.
Answer: 6.
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