Physics, 03.06.2021 04:50 pedroramirezr2

131 53, You start out with some amount of this element and after 24 days you have 5 grams left. The half-life of this is 8 days. How much did you start with?

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131 53, You start out with some amount of this element and after 24 days you have 5 grams left. The...