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

User Allex Radu
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2 Answers

3 votes
I think it's 2.21^20 
User Yini
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8.6k points
2 votes
2.21 times 10 to the 21 power
User RandomPoison
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