Question

How do you calculate `(4.7times10^-3) div (9.4times10^3)`?

Answer 1

`5.0 xx 10^-7`

Explanation:

`(4.7 xx 10^-3) div (9.4xx10^3)` may be written as:

`4.7/9.4 xx 10^(-3) xx 10^-3`

Remember that: `a^n * a^m = a^(n+m)`

Hence our example `= 4.7/9.4 xx 10^(-3 -3) = 0.5 xx 10^-6`

This can be exprexed as; `5.0 xx 10^-1 xx 10^-6`

Therefore our result is: `5.0 xx 10^-7`