Radium-226 has a half life of 1620 years. Find the time period during which a given mass of this material is reduced by one-quarter. Q= Ce^-rt should be the right equation? Stumped on how to set this up.
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Originally Posted by dmbocci Radium-226 has a half life of 1620 years. Find the time period during which a given mass of this material is reduced by one-quarter. Q= Ce^-rt should be the right equation? Stumped on how to set this up. Because you are given a half life it is better to work with powers of rather than . So: where is the half life. Now if at time we have: CB
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