What is 2^2 + 4 ^2

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• A 20
• B 8
• C 16
• D 12

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Answer: A. 20

Square each number first: 2^2 = 2 x 2 = 4 and 4^2 = 4 x 4 = 16. Then add: 4 + 16 = 20.

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