Advanced Placement (AP), 21.04.2021 17:40 hannahbanana2000

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? 93.50 kBq/m²
23.38 kBq/m²
6.23 kBq/m²
1.58 kBq/m²

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