How do you simplify #\frac { 21m ^ { - 9} n ^ { 9} } { 28m ^ { - 2} n ^ { - 4} }#?
1 Answer
Feb 23, 2017
Explanation:
First, you have to rewrite the equation by using this rule:
And then simplify that fraction by I call "the numerator times the denominator, the denominator times the numerator"
and simplify this one again: