Question 835355
{{{(t^2*u*r)/(rut)^3=t^(2-3)*u^(1-3)*r^(1-3)}}}
{{{(t^2*u*r)/(rut)^3=t^(-1)*u^(-2)*r^(-2)}}}
{{{(t^2*u*r)/(rut)^3=1/(t*u^(2)*r^(2))}}}