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30 November, 16:41

What is 221,000,000,000,000,000,000 expressed in scientific notation?

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Answers (2)
  1. 30 November, 20:16
    0
    2.21 times 10 to the 21 power
  2. 30 November, 20:33
    0
    I think it's 2.21^20
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