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Posted: **Fri May 06, 2022 12:01 pm**

: 3 The Ratio Of 235u To 238u In Natural Uranium Deposits Today Is 0 0072 What Was This Ratio 2 Billion Years Ago If Kno 1 (10.88 KiB) Viewed 19 times

3. The ratio of 235U to 238U in natural uranium deposits today is 0.0072. What was this ratio 2 billion years ago if known that the half-life of the two isotopes is 7.04 x 108 years and 4.47 x 10 years, respectively?