A 400-mg sample of technetium-99m is used for a diagnostic test. If technetium-99m has an effective half-life of 4.8 hours, how much of the technetium-99m remains 72 hours after the test?
Express your answer to two significant figures and include the appropriate units.

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Ответ:

monae7803

20.05.2022

Chemistry

I want to say the answer is yes.

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A 400-mg sample of technetium-99m is used for a diagnostic test. If technetium-99m has an effective half-life of 4.8 hours, how much of the technetium-99m remains 72 hours after the test? Express your answer to two significant figures and include the appropriate units.