math

the current population of a threatened animal species is 1 million, but it is declining with a half-life of 20 years. how many animals will be left in 60 years?

asked by JT
  1. The answer will be 177,000

    posted by Get Grammarly
  2. nope. 60 years is 3 half-lives, so 1/8 will remain.

    posted by Steve
  3. thank you that is also what i got. 125,000

    posted by shelly
  4. I also got 125,000

    posted by Joe

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