Question

Question #27d03

Answer 1

`4times10^(-7)`

Explanation:

`0.0000004`

Scientific notation is a number between 1 and 10 multiplied by 10 to a power.

We can see that the number between 1 and 10 will be `4`. To find the exponent for which 10 will be the base, count the decimal places from the `4`.

`=4times10^(-7)`