Question

Let me know if you know the answer to this thank you​

Answer 1

We know

`\boxed{\sf (a^m)/(a^n)=a^(m-n)}`

`\\ \sf\longmapsto (1* 10^(-5))/(2* 10^(-1))`

`\\ \sf\longmapsto 0.5* 10^(-5-1)`

`\\ \sf\longmapsto 0.5* 10^(-6)`

`\\ \sf\longmapsto 5* 10^(-7)`