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(Since this is a decay problem, I expect the constant to be negative.
If I end up with a positive value, I'll know that I should go back and check my work.) In Its radiation is extremely low-energy, so the chance of mutation is very low.
If you have and I have 2/3 of the amount of money you have, you take 2/3 times 5.
It doesn't really matter that we don't know the exact amount, we're still trying to solve the same exact way.
The trick is that we don't know how much we started with, so we can't plug in a number, so we're still left with N sub 0, we're left with e to the -.00012t, because we don't know how much we started with, we also don't know how much we ended with, but we do know we have 71% of our original amount.
He bets that no one can beat his love for intensive outdoor activities!
Archeologists typically use what's called carbon-14 dating to approximate the age of certain things.
Carbon-14 dating is a way of determining the age of certain archeological artifacts of a biological origin up to about 50,000 years old.
It is used in dating things such as bone, cloth, wood and plant fibers that were created in the relatively recent past by human activities.
The halflife of carbon 14 is 5730 ± 30 years, and the method of dating lies in trying to determine how much carbon 14 (the radioactive isotope of carbon) is present in the artifact and comparing it to levels currently present in the atmosphere.