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Mathematics, 18.07.2019 14:30 tink921
Nickel 63 half life of 92 years. how much nickel 63 world reamin in a sample containing 20 micrograms of nickle 63 at the end of 184 years
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Nickel 63 half life of 92 years. how much nickel 63 world reamin in a sample containing 20 microgram...
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