Question: 1. I'l marks) The Chernobyl nllclear plant explosion occurred on April 26, 1986. One of thc main reasons that thc area has not been

1. I'l marks) The Chernobyl nllclear plant explosion occurred on April 26,

1. I'l marks) The Chernobyl nllclear plant explosion occurred on April 26, 1986. One of thc main reasons that thc area has not been re-inhabited has to do with thc release of 24 kilograms of Caesium-137 into thc earth. If thc half-life of Caesi11m-137 is 30 years, how rnllch of it wa:s present on October 26, 2021 (i.e. yesterday)? Result may bc rounded to 2 decimal places.

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