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

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Answer 1 · 2015-06-07T11:17:27

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

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 $12/21$
$= color(blue)(4/7n^(-2)$

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