The initial and final temperature of a liquid in a container are observed to be $75.3 \pm 0.4^{\circ}$ and $67.7 \pm 0.3^{\circ}C$. Find the fall in temperature

Question

$\begin{array}{1 1} 8.6 \pm 0.1^{\circ}C \\ 7.6 \pm 0.1^{\circ}C \\ 7.6 \pm 0.7^{\circ}C \\ 8.6 \pm 0.7^{\circ}C \end{array}$