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What is the half life of a radioactive substance if 2.4G decays to 1.80G in 66 hours?
Wiki User
∙ 14y ago
The half-life of a radioactive substance that decays from 2.4g to 1.8g in 66 hours is 159 hours.
AT = A0 2(-T/H)
1.8 = (2.4) 2(-66/H)
0.75 = 2(-66/H)
log2(0.75) = log2(2(-66/H))
-0.415 = -66/H
H = 159
Wiki User
∙ 14y ago
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