8. Radium-226 has a half-life of 1600 years. Geologists find a rock and determine it contains 70% of the original radium-226. How old is the rock? Show all steps, no short cuts.

Calculus: Early Transcendentals
8th Edition
ISBN:9781285741550
Author:James Stewart
Publisher:James Stewart
Chapter1: Functions And Models
Section: Chapter Questions
Problem 1RCC: (a) What is a function? What are its domain and range? (b) What is the graph of a function? (c) How...
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Radium-226 has a half-life of 1600 years. Geologists find a rock and determine it
contains 70% of the original radium-226. How old is the rock? Show all steps, no short
8.
cuts.
Transcribed Image Text:Radium-226 has a half-life of 1600 years. Geologists find a rock and determine it contains 70% of the original radium-226. How old is the rock? Show all steps, no short 8. cuts.
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