Technetium-99m,used to image the heart and brain,has a half-life of 6.00 h.What fraction of technetium-99m remains in the body after 1 day?

Name: Technetium-99m,used to image the heart and brain,has a half-life of 6.00 h.What fraction of technetium-99m remains in the body after 1 day?
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Question

Quizplus · Accepted Answer

Technetium-99m has a half-life of 6 hours. In 24 hours (1 day), there are 4 half-lives (24/6 = 4). After 4 half-lives, the fraction remaining is (1/2)^4 = 1/16 = 0.0625.

Technetium-99m,used to Image the Heart and Brain,has a Half-Life of 6.00