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Chemistry, 22.06.2019 00:00
What is the result of multiplying (2.5 × 1010) × (2.0 × 10-7)? a. 5.0 × 103 b. 5.0 × 10-3 c. 5.0 × 1017 d. 5.0 × 10-17
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Chemistry, 22.06.2019 09:00
Identify the electromagnets with poles that are reversed from the electromagnet shown above
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Chemistry, 22.06.2019 11:00
The number to the right of an element's symbol (ex. c-12) identifies the of an isotope.
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History, 03.01.2020 21:31
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