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Real-World Applicationsmedium
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A radioactive substance decays according to M(t)=M0e−0.05tM(t) = M_0 e^{-0.05t}M(t)=M0​e−0.05t. How long does it take for the substance to be reduced to half of its original mass? (Use ln⁡(0.5)≈−0.693\ln(0.5) \approx -0.693ln(0.5)≈−0.693)