Suppose a Radioactive Substance Decays According to the Formula

question 128

Multiple Choice

Suppose a radioactive substance decays according to the formula .How long will it take for the substance to decay to half the original amount?

• A)It will take 40 years for the substance to decay to half the original amount.
• B)It will take 5,170 years for the substance to decay to half the original amount.
• C)It will take 5,281 years for the substance to decay to half the original amount.
• D)It will take 5,626 years for the substance to decay to half the original amount.

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