Find the units of density, `("density")/("mass")` and `("electric currect")/("time")`

Answer

`As^(-1)`

Explanation

Density `=("Mass")/("Volume")=(kg)/(m^3)=kgm^(-3)`
`("Density")/("Mass")=(kgm^(-3))/(kg)=m^(-3)`
`("Electric current")/("Time")=A/s=As^(-1)`