Given that the first power of 3-2 = 1, the 2010 power of 3-2 =?
The result cannot be found, but the number at the end can be found
The power of 3 is 3
The second power of 3 ends with 9
The third power of 3 ends with 7
The fourth power of 3 ends with 1
The fifth power of 3 ends with 3
So we can get the rule that the last cycle of every fourth power, 2010 = 4 * 502 + 2
So the end of 3 to the power of 2010 is 9, and the end of 3 to the power of 2010 - 2 is 7
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