If 8g of a radioactive substance is present initially and 2yr later only 4g remain, how...

Question

Question

If 8g of a radioactive substance is present initially and 2yr later only 4g remain, how much of the substance will be present after 4 yr?

math algebra

Answer 1

Answer #1

= 8 ek(2) Ao = 89 as t=2 A-43 A= A pkt -2k u -21 the In (0.5 - 2k In (0.5 K- 0.346573 att uyr (t=u) - (0.346513) (4) A = 8 e

Answer 2

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If 8g of a radioactive substance is present initially and 2yr later only 4g​ remain, how...