Answer:
Half life = 4.7 days
Step-by-step explanation:
Formula to get the final amount of the substance after the time 't',
Here, = Final amount of the substance
= Initial amount
k = decay constant
t = Duration or time
Now by substituting the values in the formula,
If [For half life]
ln(2) =
0.69315 = 0.1473t
t = 4.71 days
t ≈ 4.7 days
Therefore, half life of the substance is 4.7 days.
white gas a good chance so high
56 degrees
The choose B. 4√3
I hope I helped you^_^
0.83