Mark M. answered • 06/16/21

Mathematics Teacher - NCLB Highly Qualified

400 = Ce^{(t/1400)k}

The value of either k or t must be given to solve for C.

Review your post for accuracy.

Eve K.

asked • 06/16/21The rate of decay of radium is said to be proportional to the amount of radium

present. If the half-life of radium is 1700 years and there are 400 grams on hand now. Given the exponential decay equation, y=Ce^{kt}, solve the following:

a.) What is the value of e^{k}

b.) What equation best illustrates the problem?

c.) How much radium will be present in 845 years?

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Mark M. answered • 06/16/21

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Mathematics Teacher - NCLB Highly Qualified

400 = Ce^{(t/1400)k}

The value of either k or t must be given to solve for C.

Review your post for accuracy.

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