**carbon -14 has a half life of 5730 years. How long will it take 5 grains of caron-14 to be reduced to 2 grams ?( use formula N(t) = N [baseo] e^-0.000121t) ???**

**Answer:**

**carbon -14 has a half life of 5730 years. How long will it take 5 grains of caron-14 to be reduced to 2 grams ?( use formula N(t) = N [baseo] e^-0.000121t) ???**

**Answer:**