Answer:
13.5 mg
Step-by-step explanation:
Here given Cobalt isotope has half life of 5.3 years.
Initial amount is 50 mg.
Given time(10 years) is roughly equals to two half life.
So, after 5.3 year 25 mg of isotope will left further in next half life only around 12.5 mg remains.
Among options 13.5 mg is the best possible
Im thinking the Earth’s energy from the Sun arrives in the form of visible and invisible light
Answer:
instruments are very important to the direction of the personal information and concerns about the direction
Answer: A
Step-by-step explanation: is the proportional relationship!
Explanation:
Find the Derivate -10/x
=10/x^2
Plug in -12 for x
10/(-12)^2
=5/72
