Question

How do you divide `(6.6 xx 10^-8) / (3.3 xx 10^-4)`?

Answer 1

`(6.6xx10^-8) / (3.3xx10^-4)=2xx10^(-4)`

Explanation:

`(6.6xx10^-8) / (3.3xx10^-4)`

= `6.6/3.3xx10^(-8)/10^(-4)`

= `2xx10^((-8)-(-4))` - as `a^m/a^n=a^(m-n)`

= `2xx10^(-8+4)`

= `2xx10^-4`