Question

Express 9 m in terms of cm, μm, and nm. Use proper scientific notation in your answers.

Answer 1

`9*10^2cm`

`9*10^6 \mu m`

`9*10^9nm`

Explanation:

1 m = 100 cm

9 m = 100cm * 9 = 900 cm or
`9*10^2cm`

`1 m = 10^6 \mu m`

`9 m = 9*10^6 \mu m`

`1 m = 10^9 nm`

`9 m = 9*10^9 nm`