Answer:
The substance's half-life is 6.1 days.
Step-by-step explanation:
The half-life of the substance can be calculated by knowing the constant decay:
k: is the decay constant = 0.1133 d⁻¹
Hence, the half-life is:
Therefore, the substance's half-life is 6.1 days.
I hope it helps you!
4x^2/2x^2
Bth x^2 will cross each other
And only this will be left
2
3.) $ 9.75| First you multiply 2.25 by 3, then 1.75 by 2 and add them together which gives you 10.25. Finally you subtract 10.25 from 20 which gives you 9.75