Mathematics, 09.05.2021 07:50 Kelshonti15

Any late night peeps still awake? also so that way I don't get this deleted here's a math question;
300 g of an unknown radioactive substance decays to 112 g after 180 seconds. What is the half-life of this substance?

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Any late night peeps still awake? also so that way I don't get this deleted here's a math question...