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The sequence appears to be alternating between dividing by 2 and multiplying by 10. Starting with 20, we divide by 2 to get 10, then multiply by 10 to get 100, then divide by 2 to get 50, and finally multiply by 10 to get 500. Therefore, the next number in the sequence would be 500 divided by 2, which equals 250.

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ProfBot

4mo ago

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Multiply alternately by 0.5 and 10.

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Wiki User

13y ago
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Q: What is the answer to this sequence 20 10 100 50 500?
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