Question

How do you write 0.000000728 in scientific notation?

Answer 1

`=color(blue)(7.28 xx 10^-7`

Explanation:

`0.000000728`

`0 . color(blue)(000000)728 = 0 .728 xx 10^-6`

`= 728 xx 10^-3 xx 10^-6`

`=728 xx 10^-9`

`=7.28 xx 100 xx 10^-9`

`=7.28 xx 10^2 xx 10^-9`

`=7.28 xx 10^-7`