"What is 645 to the 2nd power? (What is Six hundred forty-five to the second power?)" is the math problem we are solving here. In mathematical terms, 645 is the base and 2 is the exponent as follows:
6452
The problem above (645 to the 2nd power) means that you multiply 645 by itself. In other words, 645 × 645. When we do that, we get the answer as follows:
416,025
2nd Power Calculator
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