A radioisotope has a …….. Of 10 days. If today 125 g of it is left – InterviewSolution

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1.	A radioisotope has a …….. Of 10 days. If today 125 g of it is left, what was its weigh 40 dayscarlicr?
Answer» 600 g 1000 g 1250 g 2000G SOLUTION :`n = 40/10 = 4, 125 g = 1/(2^4) [A_0]` or `[A_0] = 2000g. `

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