-1 is greater then 1.05 then 1.05 then 1.55
so the answer is C
Answer:
167.27 mg.
Step-by-step explanation:
We have been given that the half-life of Radium-226 is 1590 years and a sample contains 400 mg.
We will use half life formula to solve our given problem.
, where N(t)= Final amount after t years,
= Original amount, t/2= half life in years.
Now let us substitute our given values in half-life formula.


Therefore, the remaining amount of Radium-226 after 2000 years will be 167.27 mg.
Answer:
I think that the volume of sphere is the first one
Answer:
To find his height u need to subtract 63-9
Step-by-step explanation:
63 - 9 = 54
First row all correct second rows all wrong and the first on of third row is correct be the last two are incorrect