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Mathematics, 13.05.2021 22:20 martinezizzie

13. A soil sample near Chernobyl was found to contain 187 kBq/m² of cesium-137. If the half-life of cesium-137 is approximately 30 years, how much cesium-137
will remain in the sample after 90 years?
(A) 93.50 kBq/m²
(B) 23.38 kBq/m²
(C) 6.23 kBq/m²
(D) 1.58 kBq/m2

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13. A soil sample near Chernobyl was found to contain 187 kBq/m² of cesium-137. If the half-life of...

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