If a quantity Q is dependent on three other quantities q_{1},q_{2} and q_{3} related such that Q=K\times \left ( q_{1} \right )^{n_{1}}\times \left ( q_{2} \right )^{n_{2}}\times \left ( q_{3} \right )^{n_{3}}. What is the overall error?
What is the overall error if a quantity Q is dependent on three other quantities q_{1},q_{2} and q_{3} related such that Q=K\times \left ( q_{1} \right )^{n_{1}}\times \left ( q_{2} \right )^{n_{2}}\times \left ( q_{3} \right )^{n_{3}}.