What is 402 plus 308?

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Multiple Choice

What is 402 plus 308?

Explanation:
Think about place-value addition. Start with the ones: 2 + 8 equals 10, so write down 0 and carry 1 to the tens. In the tens column, you have 0 plus 0 plus the carried 1, which gives 1 in the tens. In the hundreds column, 4 + 3 equals 7. Put the digits together from hundreds to ones: 7-1-0, which makes 710. A quick check: 400 + 300 is 700, and 2 + 8 is 10, so 700 + 10 = 710.

Think about place-value addition. Start with the ones: 2 + 8 equals 10, so write down 0 and carry 1 to the tens. In the tens column, you have 0 plus 0 plus the carried 1, which gives 1 in the tens. In the hundreds column, 4 + 3 equals 7. Put the digits together from hundreds to ones: 7-1-0, which makes 710. A quick check: 400 + 300 is 700, and 2 + 8 is 10, so 700 + 10 = 710.

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