If all of the energy from the beta decay of the 14C in a 6000 kg African Bush Elephant could be captured and converted into electrical energy, how

If all of the energy from the beta decay of the 14C in a 6000 kg African Bush Elephant could be captured and converted into electrical energy, how many such elephants would be needed to power your cellphone, which requires 0.400 W?Your solution must begin with a calculation of the amount of 14C in an elephant, and include the half-life and decay energy...Answer, with reasoning,