Question

Please help me im d-mb​

Answer 1

5621 years

Explanation:

Plug everything in first.

`N=N_0e^(-kt)\\\\\implies 0.57 = e^(-0.0001t)\\\\\implies\ln \left(0.57\right)=-0.0001t\\\\t=-(\ln \left(0.57\right))/(0.0001)`

Round to closest amount of years = 5621 years