Question
50 ng of a radioactive isotope with a half-life of 23
seconds is expected to decay exponentially. How much of the substance will remain after 10
seconds? Round your answer to the nearest tenth of a nanogram.(1 point)
Responses
0.4 ng
0.4 nanograms
37.0 ng
37.0 nanograms
0.7 ng
0.7 nanograms
20.0 ng
seconds is expected to decay exponentially. How much of the substance will remain after 10
seconds? Round your answer to the nearest tenth of a nanogram.(1 point)
Responses
0.4 ng
0.4 nanograms
37.0 ng
37.0 nanograms
0.7 ng
0.7 nanograms
20.0 ng
Answers
Answered by
GPT 3.5
0.7 ng
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