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Q: How many days is one half- life?
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How many half-lives have passed after 32 days?

If ' L ' is the number of days in one half-life, then the number of half-lives in 32 days is (32 / L) .


A particle element has a half-life of 27 days after 54 days have elapsed how much of the radioactive material is left is called?

54 days is 2x27. After one cycle of a half life (27 days), one-half of the substance would be left. After a second cycle of a half life (27 more days, for a total of 54), one-half of one-half is left, or one-fourth.


Determine the amount of time it takes for three fourths of a radioactive sample of an isotope to decay?

The time it takes for half of the radioactive sample to decay is called the half-life. If you know the half-life of the isotope, you can calculate how long it takes for three fourths of the sample to decay by multiplying the half-life by ln(4)/ln(2).


If one and a half chickens lay one and a half eggs in one and a half days How many eggs do 12 chicken lay in 12 days?

216 Eggs.


How many days to get to Michigan from Los Angeles?

one and a half days


How many hours are in one and an half days?

Oh, dude, one and a half days is like 36 hours. Yeah, I know, it's like a whole day plus half of another one. So, if you ever need to know how many hours are in one and a half days, just remember it's 36 hours.


How do you determine the half life of a radioactive substance that has changed through radioactive decay After 40 days the original substance left is is one sixteenth of the original amount?

To determine the half-life of the substance, you can use the fact that after one half-life, the substance will be reduced to half of its original amount. In this case, after 40 days, the substance is reduced to one sixteenth of its original amount, which represents 4 half-lives (since 1/2^4 = 1/16). Thus, each half-life of this substance is 10 days.


What is the half life of radon 222?

The half-life of radon-222 is about 3.8 days. This means that it takes about 3.8 days for half of a sample of radon-222 atoms to decay into other particles.


How many days in 36 hours?

One and a half days.


If the half life of an element is 5 days and 100 milligrams of the element is initially available how many milligrams (mg) of the element is available after 20 days?

The answer is 2. If after one half-life only half of the element remains, then after another half-life half of what was there only remains. So a half of a half is a quarter (or a fourth). So that's 2 half-lives.


If a peacock and a half lays an egg and a half in one and a half days how many eggs are laid in three days?

3 1/2 EGGS


The half-life of gold-198 is 2.7 days After 5.4 days how much of the original gold-198 remains?

one-quarter After 2.7 Days half of Gold remains. After another 2.7 days half of THAT half remains, which is 25% 5.4