Question 29253
{{{4v^9}}}{{{w^10}}}({{{25v^9}}}{{{w^10}}})/5{{{v^9}}}{{{w^9}}}
first distribute; 100{{{v18}}}{{{w^20}}}/5{{{v^9}}}{{{w^9}}}
Now divide 100/5=20; and when you divide variables you need to subtract their powers;
{{{v^(18-9)}}}{{{w^(20-9)}}};
20{{{v^9}}}{{{w^11}}}/5
=)