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6. The half life for uranium-235 is 7.0x108 years. a. How many half-lives did the sample go through at the end of 2.8x109 years?​
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6. The half life for uranium-235 is 7.0x108 years.

a. How many half-lives did the sample go through at the end of 2.8x109 years?​

User Jarriett
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The answer for this problem is 305.2 because you múltipley and thats how you get the answer by mulyiplying
User Peter Walter
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