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You can tell by the nature of this question that it is expecting you to see a pattern in the tens column wen raising powers of five, and not to actually calculate the value of 574.

So let's take a look:

52 = 25
53 = 125
54 = 625
56 = 3125
...

As you can see, the last two digits are always "25", so the answer to your question is 2.

The reason the last two digits are always 25 is because of the effect multiplication has on the number. Consider: 5 * 25 = 125. No matter what happens to any digits to the left of those, the last two will always be 25 as a result.

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Q: What is the tens digit of 5 to the power of 74?
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