If 3150g of a radioactive substance decays to 450g in 73 weeks, determine the half life of the substance to the nearest week. Solve algebraically using logarithms.(adsbygoogle = window.adsbygoogle || []).push({});

450=3150(x)^73

450/3150=x^73

73sqrt(450/3150)=x

Now, the only problem is the answer says it is 26 weeks. Any help is much appreciated.

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# Homework Help: Simple log problem

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