Question

What is 312,000 in a scientific notation?

Answer 1

`=color(green)(3.12 xx 10^5`

Explanation:

`312,000` can be expressed as `312 xx color(blue)(1000`

`= 312 xx 10^3`, this can be further expressed as :

`3.12 xx 100 xx 10^3`

`=3.12 xx 10^2 xx 10^3`

`=color(green)(3.12 xx 10^5`