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OpenStudy (anonymous):
How long will it take for a radioactive isotope with a decay constant of 0.15 (which means a half life of 4.6 days ) to decay to 5% of its original value? (At = A0e-kt)
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OpenStudy (anonymous):
3 days 4.6 days 5 days 10.73 days 19.97 days
OpenStudy (anonymous):
least tell me whats "At" "a0e" "kt"
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