Answer:
N = 7.5 pounds
Step-by-step explanation:
Formula for the radioactive decay is given by,
Here, N = Final amount
N₀ = Initial amount
λ = Decay constant
t = Duration of decay
Now we can substitute the values from the given question,
N =
N =
N = 15(0.5)
N = 7.5 pounds
Answer: Pi is the ratio of a circle's circumference to its diameter
Step-by-step explanation:
iether the 2nd or the 3rd one