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Mathematics, 18.10.2020 15:01 jitosfc916

Help please A sodium isotope has a half-life of 15 hours, and 500 grams are initially present. How many hours will it take the
isotope to decay to 25 grams? Write and solve an exponential equation to find the answer. Round to the nearest tenth.

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Help please A sodium isotope has a half-life of 15 hours, and 500 grams are initially present. How...
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