Welcome to Westonci.ca, where finding answers to your questions is made simple by our community of experts. Explore our Q&A platform to find in-depth answers from a wide range of experts in different fields. Our platform offers a seamless experience for finding reliable answers from a network of knowledgeable professionals.

Assuming a parent isotope with a half-life equal to 4.5 billion years, what percentage
of the original parent remians after 6.75 billion years have passed?