How is $0.25\,\text{N mm}^{-2}$ written in $\text{N m}^{-2}$?
- A$0.00025\,\text{N m}^{-2}$
- B$0.25\,\text{N m}^{-2}$
- C$250\,000\,\text{N m}^{-2}$
- D$250\,000\,000\,\text{N m}^{-2}$
Physics 9702 · AS & A Level · Density and pressure
Physics 9702 · AS & A Level · Density and pressure
How is $0.25\,\text{N mm}^{-2}$ written in $\text{N m}^{-2}$?