math
posted by JT
the current population of a threatened animal species is 1 million, but it is declining with a halflife of 20 years. how many animals will be left in 60 years?

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The answer will be 177,000

Steve
nope. 60 years is 3 halflives, so 1/8 will remain.

shelly
thank you that is also what i got. 125,000

Joe
I also got 125,000
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