How much time is required in days for a 6.25 mg sample of Cr-51 to decay to 1.75 mg if it has a half-life of 27.8 days? Round-off your answer to the nearest whole number or integer. Do not include the unit anymore in your answer. Answer: Also, what mass in mg of this nuclide will remain after 65 days? Round-off your answer to the nearest tenth (one decimal place). Do not include the unit anymore in your answer. Answer:

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How much time is required in days for a 6.25 mg sample of Cr-51 to decay to 1.75
mg if it has a half-life of 27.8 days? Round-off your answer to the nearest whole
number or integer. Do not include the unit anymore in your answer.
Answer:
Also, what mass in mg of this nuclide will remain after 65 days? Round-off your
answer to the nearest tenth (one decimal place). Do not include the unit anymore in
Answer:
your answer.
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Transcribed Image Text:How much time is required in days for a 6.25 mg sample of Cr-51 to decay to 1.75 mg if it has a half-life of 27.8 days? Round-off your answer to the nearest whole number or integer. Do not include the unit anymore in your answer. Answer: Also, what mass in mg of this nuclide will remain after 65 days? Round-off your answer to the nearest tenth (one decimal place). Do not include the unit anymore in Answer: your answer. Next Submit Qu No new data to save. Last checked at 10:14am
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