Find the value of x when 2^x =1024.

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• A 10
• B 512
• C 302
• D 102

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Answer: A. 10

Keep doubling from 2: 2, 4, 8, 16, 32, 64, 128, 256, 512, 1024. That is ten 2s multiplied, so 2^10 = 1024 and x = 10. 512 is 2^9.

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