The radioactive decay of Tl-206 to Pb-206 has a half-life of 4.20 minutes. Starting with 1.01 10
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The radioactive decay of Tl-206 to Pb-206 has a half-life of 4.20 minutes. Starting with 1.01× 1022 atoms of Tl-206, calculate the number of such atoms left after 12.60 minutes.
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