Question: Both technetium - 9 9 and thallium - 2 0 1 are used to image heart muscle in patients with suspected heart problems. The half

Both technetium-99 and thallium-201 are used to image heart muscle in patients with suspected heart problems. The half-lives are 6h and 73h, respectively. What percent of the radioactivity would remain for each of the isotopes after 2 days (48h)?
Both technetium-99 and thallium-201 are used to image heart muscle in

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