Question

How do you simplify `(12n^4)/(21n^6 )`?

Answer 1

`(12n^4)/(21n^6 )`

Note: `color(blue)(a^m/a^n = a^(m-n)`
Applying the above property to the powers of `n`

`= (12 / 21).n^(4-6)`

`= (12 / 21).n^(-2)`
simplifying `12/21`
`= color(blue)(4/7n^(-2)`