Question

How do you write `789,100,000` in scientific notation?

Answer 1

`=color(blue)(7.891 xx 10^8`

Explanation:

`789,100,000=7891 xx 100000`

`=7.891 xx 1000 xx 100000`

`=7.891 xx 10^3 xx 10^5`

`=color(blue)(7.891 xx 10^8`