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Mathematics, 04.03.2021 20:40 edjiejwi
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What is 221,000,000,000,000,000,000 expressed in scientific notation?
2.21 × 1021
2.21E20
2.21E21
2.21E-20
2.21 × 10-21
2.21 × 10-20
2.21 × 1020
2.21E-21
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