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If N0 = Number of radioactive nuclei pre...

If `N_0` = Number of radioactive nuclei present at t -= 0, N = Number of radioactive nuclei present at time t = t and `lambda` is the decay constant, then the radioactive decy equation is

A

`N= (N_0 e^(-lambdat)`

B

`N = (N_0 lambdat)`

C

`N = (N_0e^(lambdat)`

D

`N = (N_0/e^(-lamdat)`

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