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New YorkEarth and Environmental ScienceQuick questions
Geologic History and Dating
Quick questions on Radioactive decay and absolute age - NY Regents Earth Science
2short Q&A pairs drawn directly from our worked dot-point answer. For full context and worked exam questions, read the parent dot-point page.
What is q1?Show answer
Define half-life. [1 point]
What is q2?Show answer
A rock has equal amounts of Uranium-238 and lead-206. Using the Reference Tables (half-life 4.5 billion years), find its age. [2 points]
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