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24. The half-life of 238U is 4.47107yr. (a) Use equation (2.38) to compute the decay constant for 238U. (b) Suppose that 1000mg of 238U are

24. The half-life of 238U is 4.47107yr. (a) Use equation (2.38) to compute the decay constant for 238U. (b) Suppose that 1000mg of 238U are present initially. Use the equation N=N0et and the decay constant determined in part (a) to determine the time for this sample to decay to 100mg

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