Question 375847
{{{(12r^5tz^7) / (-(4rt^5z^3))=-(12/4)r^(5-1)t^(1-5)z^(7-3)}}}
{{{(12r^5tz^7) / (-(4rt^5z^3))=-(3)r^(4)t^(-4)z^(4)}}}
{{{(12r^5tz^7) / (-(4rt^5z^3))=-(3r^5z^4)/t^4}}}