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If N0 = number of atoms originally prese...

If `N_0` = number of atoms originally present (i.e at t = 0) N = Number of atoms present after n - half lives `( n = t/T)` then `n_0`, N and n are related as

A

`N = N_0 (1/2)^n`

B

`N = (N_0/n)`

C

`N = (N_0)/frac(1)(2)^n

D

`N= (2^n (N_0))`

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