"What is 644 to the 2nd power? (What is Six hundred forty-four to the second power?)" is the math problem we are solving here. In mathematical terms, 644 is the base and 2 is the exponent as follows:
6442
The problem above (644 to the 2nd power) means that you multiply 644 by itself. In other words, 644 × 644. When we do that, we get the answer as follows:
414,736
2nd Power Calculator
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