Mathematics, 23.09.2019 20:00 theflash077
Scientists believe that earth once had 9 trillion tons of a naturally existing plutonium isotope (back when the earth was formed). given a half-life of 24 comma 000 years for that specific plutonium isotope and the earth's current age of 4.6 billion years, how much would remain today? use your answer to explain why this isotope is not found naturally on earth today.
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