1. You find a skull in a nearby tribe ancient burial site and with the help of a spectrometer, you discovered that the skull contains 9% of the C-14 found in a modern skull. Assuming that the half-life of C-14 (radiocarbon) is 5,730 years, how old is the skull?

College Algebra
7th Edition
ISBN:9781305115545
Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:James Stewart, Lothar Redlin, Saleem Watson
Chapter4: Exponential And Logarithmic Functions
Section: Chapter Questions
Problem 12CC: Suppose that the initial size of a population is n0 and the population grows exponentially. Let n(t)...
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Solve the following:
1. You find a skull in a nearby tribe ancient burial site and with the help of a
spectrometer, you discovered that the skull contains 9% of the C-14 found in a
modern skull, Assuming that the half-life of C-14 (radiocarbon) is 5,730 years, how
old is the skull?
2. Suppose that the population of a colony of bacteria increases exponentially. At the
start of an experiment, there are 10,000 bacteria, and one hour later, the population
has increased to 10,500. How long will it take for the population to reach 25,000?
Round off your answer to the nearest hour.
Transcribed Image Text:Solve the following: 1. You find a skull in a nearby tribe ancient burial site and with the help of a spectrometer, you discovered that the skull contains 9% of the C-14 found in a modern skull, Assuming that the half-life of C-14 (radiocarbon) is 5,730 years, how old is the skull? 2. Suppose that the population of a colony of bacteria increases exponentially. At the start of an experiment, there are 10,000 bacteria, and one hour later, the population has increased to 10,500. How long will it take for the population to reach 25,000? Round off your answer to the nearest hour.
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