Define carbon-14 has a half-life

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1- Phosphorus-32 has a half-life of 14.0 days. Starting with 6.00 of ^32P, how many grams will remain after 42.0 days?

2-Carbon-14 has a half-life of 5730 years. In a plant fossil, you find that the ^14C has decayed to 1/32.0 of the original amount. How long ago was this plant alive?

Reference no: EM13288557

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